Q: What is the sum of all factors of the number 421,105,661 excluding 421,105,661?
A: 406,339
The factors of the number 421,105,661 are: 1, 1039, 405299, 421105661.
If you add them up, you will get the total of 421,106,067. Now subtract 421,105,661 to get 406,339