Q: What is the sum of all factors of the number 657,120,021 excluding 657,120,021?
A: 219,040,011
The factors of the number 657,120,021 are: 1, 3, 219040007, 657120021.
If you add them up, you will get the total of 657,120,240. Now subtract 657,120,021 to get 219,040,011