21280470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709349}}^1$

素因数の和:709359

約数の個数: 16

約数和(自身を含む): 51073200

約数和(自身を除く): 29792730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709349, 1418698, 2128047, 3546745, 4256094, 7093490, 10640235, 21280470]

約数ペア:

[(1, 21280470), (2, 10640235), (3, 7093490), (5, 4256094), (6, 3546745), (10, 2128047), (15, 1418698), (30, 709349)]