21871866

素因数分解:

$2^1\times 3^1\times {\mathrm{1531}}^1\times {\mathrm{2381}}^1$

素因数の和:3917

約数の個数: 16

約数和(自身を含む): 43790688

約数和(自身を除く): 21918822

約数列:

[1, 2, 3, 6, 1531, 2381, 3062, 4593, 4762, 7143, 9186, 14286, 3645311, 7290622, 10935933, 21871866]

約数ペア:

[(1, 21871866), (2, 10935933), (3, 7290622), (6, 3645311), (1531, 14286), (2381, 9186), (3062, 7143), (4593, 4762)]