21099380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62057}}^1$

素因数の和:62083

約数の個数: 24

約数和(自身を含む): 46915848

約数和(自身を除く): 25816468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 62057, 124114, 248228, 310285, 620570, 1054969, 1241140, 2109938, 4219876, 5274845, 10549690, 21099380]

約数ペア:

[(1, 21099380), (2, 10549690), (4, 5274845), (5, 4219876), (10, 2109938), (17, 1241140), (20, 1054969), (34, 620570), (68, 310285), (85, 248228), (170, 124114), (340, 62057)]