Q: What is the sum of all factors of the number 21,201,571 excluding 21,201,571?
A: 11,973
The factors of the number 21,201,571 are: 1, 2161, 9811, 21201571.
If you add them up, you will get the total of 21,201,582. Now subtract 21,201,571 to get 11,973