Q: What is the sum of all factors of the number 21,531,212 excluding 21,531,212?

 A: 16,193,188

Why is 16,193,188 the sum of all factors of 21,531,212, excluding 21,531,212?

The factors of the number 21,531,212 are: 1, 2, 4, 997, 1994, 3988, 5399, 10798, 21596, 5382803, 10765606, 21531212.

If you add them up, you will get the total of 21,531,228. Now subtract 21,531,212 to get 16,193,188


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