21811644

素因数分解:

$2^2\times 3^2\times {\mathrm{605879}}^1$

素因数の和:605889

約数の個数: 18

約数和(自身を含む): 55135080

約数和(自身を除く): 33323436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 605879, 1211758, 1817637, 2423516, 3635274, 5452911, 7270548, 10905822, 21811644]

約数ペア:

[(1, 21811644), (2, 10905822), (3, 7270548), (4, 5452911), (6, 3635274), (9, 2423516), (12, 1817637), (18, 1211758), (36, 605879)]