Q: What is the sum of all factors of the number 1,561,543 excluding 1,561,543?
A: 21,465
The factors of the number 1,561,543 are: 1, 73, 21391, 1561543.
If you add them up, you will get the total of 1,561,564. Now subtract 1,561,543 to get 21,465