21855183

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2111}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 14640177

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 2111, 3451, 6333, 10353, 14777, 35887, 44331, 61219, 107661, 183657, 251209, 428533, 753627, 1040723, 1285599, 3122169, 7285061, 21855183]

約数ペア:

[(1, 21855183), (3, 7285061), (7, 3122169), (17, 1285599), (21, 1040723), (29, 753627), (51, 428533), (87, 251209), (119, 183657), (203, 107661), (357, 61219), (493, 44331), (609, 35887), (1479, 14777), (2111, 10353), (3451, 6333)]