21490634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51413}}^1$

素因数の和:51445

約数の個数: 16

約数和(自身を含む): 37018080

約数和(自身を除く): 15527446

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51413, 102826, 565543, 976847, 1131086, 1953694, 10745317, 21490634]

約数ペア:

[(1, 21490634), (2, 10745317), (11, 1953694), (19, 1131086), (22, 976847), (38, 565543), (209, 102826), (418, 51413)]