21049688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239201}}^1$

素因数の和:239218

約数の個数: 16

約数和(自身を含む): 43056360

約数和(自身を除く): 22006672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239201, 478402, 956804, 1913608, 2631211, 5262422, 10524844, 21049688]

約数ペア:

[(1, 21049688), (2, 10524844), (4, 5262422), (8, 2631211), (11, 1913608), (22, 956804), (44, 478402), (88, 239201)]