Q: What is the sum of all factors of the number 21,720,221 excluding 21,720,221?
A: 587,071
The factors of the number 21,720,221 are: 1, 37, 587033, 21720221.
If you add them up, you will get the total of 21,720,808. Now subtract 21,720,221 to get 587,071