21615638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{4111}}^1$

素因数の和:4363

約数の個数: 16

約数和(自身を含む): 35527680

約数和(自身を除く): 13912042

約数列:

[1, 2, 11, 22, 239, 478, 2629, 4111, 5258, 8222, 45221, 90442, 982529, 1965058, 10807819, 21615638]

約数ペア:

[(1, 21615638), (2, 10807819), (11, 1965058), (22, 982529), (239, 90442), (478, 45221), (2629, 8222), (4111, 5258)]