21072990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702433}}^1$

素因数の和:702443

約数の個数: 16

約数和(自身を含む): 50575248

約数和(自身を除く): 29502258

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702433, 1404866, 2107299, 3512165, 4214598, 7024330, 10536495, 21072990]

約数ペア:

[(1, 21072990), (2, 10536495), (3, 7024330), (5, 4214598), (6, 3512165), (10, 2107299), (15, 1404866), (30, 702433)]