21820530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727351}}^1$

素因数の和:727361

約数の個数: 16

約数和(自身を含む): 52369344

約数和(自身を除く): 30548814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727351, 1454702, 2182053, 3636755, 4364106, 7273510, 10910265, 21820530]

約数ペア:

[(1, 21820530), (2, 10910265), (3, 7273510), (5, 4364106), (6, 3636755), (10, 2182053), (15, 1454702), (30, 727351)]