Q: What is the sum of all factors of the number 21,455,423 excluding 21,455,423?
A: 2,791,009
The factors of the number 21,455,423 are: 1, 11, 41, 113, 421, 451, 1243, 4631, 4633, 17261, 47573, 50963, 189871, 523303, 1950493, 21455423.
If you add them up, you will get the total of 21,455,425. Now subtract 21,455,423 to get 2,791,009