Q: What is the sum of all factors of the number 15,857,221 excluding 15,857,221?
A: 9,851
The factors of the number 15,857,221 are: 1, 2027, 7823, 15857221.
If you add them up, you will get the total of 15,857,230. Now subtract 15,857,221 to get 9,851