21085530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702851}}^1$

素因数の和:702861

約数の個数: 16

約数和(自身を含む): 50605344

約数和(自身を除く): 29519814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702851, 1405702, 2108553, 3514255, 4217106, 7028510, 10542765, 21085530]

約数ペア:

[(1, 21085530), (2, 10542765), (3, 7028510), (5, 4217106), (6, 3514255), (10, 2108553), (15, 1405702), (30, 702851)]