21790648

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22511}}^1$

素因数の和:22539

約数の個数: 24

約数和(自身を含む): 44911440

約数和(自身を除く): 23120792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22511, 45022, 90044, 180088, 247621, 495242, 990484, 1980968, 2723831, 5447662, 10895324, 21790648]

約数ペア:

[(1, 21790648), (2, 10895324), (4, 5447662), (8, 2723831), (11, 1980968), (22, 990484), (44, 495242), (88, 247621), (121, 180088), (242, 90044), (484, 45022), (968, 22511)]