Q: What is the sum of all factors of the number 42,540,021 excluding 42,540,021?
A: 18,906,689
The factors of the number 42,540,021 are: 1, 3, 9, 4726669, 14180007, 42540021.
If you add them up, you will get the total of 42,540,039. Now subtract 42,540,021 to get 18,906,689