21399702

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209801}}^1$

素因数の和:209823

約数の個数: 16

約数和(自身を含む): 45317232

約数和(自身を除く): 23917530

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209801, 419602, 629403, 1258806, 3566617, 7133234, 10699851, 21399702]

約数ペア:

[(1, 21399702), (2, 10699851), (3, 7133234), (6, 3566617), (17, 1258806), (34, 629403), (51, 419602), (102, 209801)]