Q: What is the sum of all factors of the number 645,366,021 excluding 645,366,021?
A: 215,122,011
The factors of the number 645,366,021 are: 1, 3, 215122007, 645366021.
If you add them up, you will get the total of 645,366,236. Now subtract 645,366,021 to get 215,122,011