21069152

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50647}}^1$

素因数の和:50670

約数の個数: 24

約数和(自身を含む): 44671536

約数和(自身を除く): 23602384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50647, 101294, 202588, 405176, 658411, 810352, 1316822, 1620704, 2633644, 5267288, 10534576, 21069152]

約数ペア:

[(1, 21069152), (2, 10534576), (4, 5267288), (8, 2633644), (13, 1620704), (16, 1316822), (26, 810352), (32, 658411), (52, 405176), (104, 202588), (208, 101294), (416, 50647)]