Q: What is the sum of all factors of the number 21,512,209 excluding 21,512,209?
A: 9,311
The factors of the number 21,512,209 are: 1, 4259, 5051, 21512209.
If you add them up, you will get the total of 21,512,218. Now subtract 21,512,209 to get 9,311