21885810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{729527}}^1$

素因数の和:729537

約数の個数: 16

約数和(自身を含む): 52526016

約数和(自身を除く): 30640206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 729527, 1459054, 2188581, 3647635, 4377162, 7295270, 10942905, 21885810]

約数ペア:

[(1, 21885810), (2, 10942905), (3, 7295270), (5, 4377162), (6, 3647635), (10, 2188581), (15, 1459054), (30, 729527)]