Q: What is the sum of all factors of the number 21,016,149 excluding 21,016,149?
A: 15,525,867
The factors of the number 21,016,149 are: 1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 287, 317, 451, 539, 861, 951, 1353, 1617, 2009, 2219, 3157, 3487, 6027, 6657, 9471, 10461, 12997, 15533, 22099, 24409, 38991, 46599, 66297, 73227, 90979, 142967, 170863, 272937, 428901, 512589, 636853, 1000769, 1910559, 3002307, 7005383, 21016149.
If you add them up, you will get the total of 21,016,164. Now subtract 21,016,149 to get 15,525,867