find all factors of a number with C

 If a number  is exactly divisible by a number, Then the number is a factor of the num

suppose 7 is exactly divisible by 1 & 7, Then the number is a factor of num

suppose 15  is exactly divisible by 1,3 & 5, Then the number is a Not factor of num
#include <stdio.h>

int main()
{
    int i, num;

    printf("Enter number to find its factor: ");
    scanf("%d", &num);

    printf("All factors of %d are: \n", num);

    for (i = 1; i <= num; i++)
    {
        if (num % i == 0)
        {
            printf("%d, ", i);
        }
    }

    return 0;
}
output:

Enter number to find its factor : 15
All factors of 15 are : 1 3 5 15