Q: What is the sum of all factors of the number 257,400,221 excluding 257,400,221?
A: 20,560,483
The factors of the number 257,400,221 are: 1, 13, 367, 4771, 53951, 701363, 19800017, 257400221.
If you add them up, you will get the total of 257,400,241. Now subtract 257,400,221 to get 20,560,483