21928912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80621}}^1$

素因数の和:80646

約数の個数: 20

約数和(自身を含む): 44987076

約数和(自身を除く): 23058164

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80621, 161242, 322484, 644968, 1289936, 1370557, 2741114, 5482228, 10964456, 21928912]

約数ペア:

[(1, 21928912), (2, 10964456), (4, 5482228), (8, 2741114), (16, 1370557), (17, 1289936), (34, 644968), (68, 322484), (136, 161242), (272, 80621)]