21826660

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4057}}^1$

素因数の和:4335

約数の個数: 24

約数和(自身を含む): 46017720

約数和(自身を除く): 24191060

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 4057, 5380, 8114, 16228, 20285, 40570, 81140, 1091333, 2182666, 4365332, 5456665, 10913330, 21826660]

約数ペア:

[(1, 21826660), (2, 10913330), (4, 5456665), (5, 4365332), (10, 2182666), (20, 1091333), (269, 81140), (538, 40570), (1076, 20285), (1345, 16228), (2690, 8114), (4057, 5380)]