Q: What is the sum of all factors of the number 21,040,253 excluding 21,040,253?
A: 1,618,495
The factors of the number 21,040,253 are: 1, 13, 1618481, 21040253.
If you add them up, you will get the total of 21,040,254. Now subtract 21,040,253 to get 1,618,495