C++ divisors printer

DivisorsPrinter.cpp

#include <iostream>
#include <string>

using namespace std;

void printDivisors(long l);

int main()
{
    long n;
    cin >> n;
    printDivisors(n);
}

void printDivisors(long l)
{
  cout << 1 << ", " << l;
  for(long i = 2; i * i <= l; i++)
  {
    if(i * i == l) cout << ", " << i;
    else if(l % i == 0) cout << ", " << i << ", " << l / i;
  }
}