Q: What is the sum of all factors of the number 2,221,621 excluding 2,221,621?
A: 4,023
The factors of the number 2,221,621 are: 1, 661, 3361, 2221621.
If you add them up, you will get the total of 2,221,625. Now subtract 2,221,621 to get 4,023