21528660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358811}}^1$

素因数の和:358823

約数の個数: 24

約数和(自身を含む): 60280416

約数和(自身を除く): 38751756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358811, 717622, 1076433, 1435244, 1794055, 2152866, 3588110, 4305732, 5382165, 7176220, 10764330, 21528660]

約数ペア:

[(1, 21528660), (2, 10764330), (3, 7176220), (4, 5382165), (5, 4305732), (6, 3588110), (10, 2152866), (12, 1794055), (15, 1435244), (20, 1076433), (30, 717622), (60, 358811)]