21354224

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22621}}^1$

素因数の和:22688

約数の個数: 20

約数和(自身を含む): 42076920

約数和(自身を除く): 20722696

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22621, 45242, 90484, 180968, 361936, 1334639, 2669278, 5338556, 10677112, 21354224]

約数ペア:

[(1, 21354224), (2, 10677112), (4, 5338556), (8, 2669278), (16, 1334639), (59, 361936), (118, 180968), (236, 90484), (472, 45242), (944, 22621)]