21081930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702731}}^1$

素因数の和:702741

約数の個数: 16

約数和(自身を含む): 50596704

約数和(自身を除く): 29514774

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702731, 1405462, 2108193, 3513655, 4216386, 7027310, 10540965, 21081930]

約数ペア:

[(1, 21081930), (2, 10540965), (3, 7027310), (5, 4216386), (6, 3513655), (10, 2108193), (15, 1405462), (30, 702731)]