21000260018

素因数分解:

$2^1\times {\mathrm{257}}^1\times {\mathrm{3229}}^1\times {\mathrm{12653}}^1$

素因数の和:16141

約数の個数: 16

約数和(自身を含む): 31635253080

約数和(自身を除く): 10634993062

約数列:

[1, 2, 257, 514, 3229, 6458, 12653, 25306, 829853, 1659706, 3251821, 6503642, 40856537, 81713074, 10500130009, 21000260018]

約数ペア:

[(1, 21000260018), (2, 10500130009), (257, 81713074), (514, 40856537), (3229, 6503642), (6458, 3251821), (12653, 1659706), (25306, 829853)]