Q: What is the sum of all factors of the number 800,215,421 excluding 800,215,421?
A: 61,279
The factors of the number 800,215,421 are: 1, 18869, 42409, 800215421.
If you add them up, you will get the total of 800,215,482. Now subtract 800,215,421 to get 61,279