21081630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702721}}^1$

素因数の和:702731

約数の個数: 16

約数和(自身を含む): 50595984

約数和(自身を除く): 29514354

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702721, 1405442, 2108163, 3513605, 4216326, 7027210, 10540815, 21081630]

約数ペア:

[(1, 21081630), (2, 10540815), (3, 7027210), (5, 4216326), (6, 3513605), (10, 2108163), (15, 1405442), (30, 702721)]