Q: What is the sum of all factors of the number 420,421,406 excluding 420,421,406?
A: 224,876,698
The factors of the number 420,421,406 are: 1, 2, 43, 86, 4888621, 9777242, 210210703, 420421406.
If you add them up, you will get the total of 420,421,630. Now subtract 420,421,406 to get 224,876,698