2021085145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{3259}}^1\times {\mathrm{4001}}^1$

素因数の和:7296

約数の個数: 16

約数和(自身を含む): 2504931840

約数和(自身を除く): 483846695

約数列:

[1, 5, 31, 155, 3259, 4001, 16295, 20005, 101029, 124031, 505145, 620155, 13039259, 65196295, 404217029, 2021085145]

約数ペア:

[(1, 2021085145), (5, 404217029), (31, 65196295), (155, 13039259), (3259, 620155), (4001, 505145), (16295, 124031), (20005, 101029)]