21358832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121357}}^1$

素因数の和:121376

約数の個数: 20

約数和(自身を含む): 45145176

約数和(自身を除く): 23786344

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121357, 242714, 485428, 970856, 1334927, 1941712, 2669854, 5339708, 10679416, 21358832]

約数ペア:

[(1, 21358832), (2, 10679416), (4, 5339708), (8, 2669854), (11, 1941712), (16, 1334927), (22, 970856), (44, 485428), (88, 242714), (176, 121357)]