Q: What is the sum of all factors of the number 1,058,421 excluding 1,058,421?
A: 678,923
The factors of the number 1,058,421 are: 1, 3, 7, 13, 21, 39, 91, 273, 3877, 11631, 27139, 50401, 81417, 151203, 352807, 1058421.
If you add them up, you will get the total of 1,059,099. Now subtract 1,058,421 to get 678,923