21994148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1193}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 42124320

約数和(自身を除く): 20130172

約数列:

[1, 2, 4, 11, 22, 44, 419, 838, 1193, 1676, 2386, 4609, 4772, 9218, 13123, 18436, 26246, 52492, 499867, 999734, 1999468, 5498537, 10997074, 21994148]

約数ペア:

[(1, 21994148), (2, 10997074), (4, 5498537), (11, 1999468), (22, 999734), (44, 499867), (419, 52492), (838, 26246), (1193, 18436), (1676, 13123), (2386, 9218), (4609, 4772)]