Q: What is the sum of all factors of the number 659,421 excluding 659,421?
A: 467,331
The factors of the number 659,421 are: 1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1163, 3489, 8141, 10467, 24423, 31401, 73269, 94203, 219807, 659421.
If you add them up, you will get the total of 659,888. Now subtract 659,421 to get 467,331