21746121

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 29913600

約数和(自身を除く): 8167479

約数列:

[1, 3, 37, 111, 409, 479, 1227, 1437, 15133, 17723, 45399, 53169, 195911, 587733, 7248707, 21746121]

約数ペア:

[(1, 21746121), (3, 7248707), (37, 587733), (111, 195911), (409, 53169), (479, 45399), (1227, 17723), (1437, 15133)]