2021305745

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{153887}}^1$

素因数の和:154000

約数の個数: 16

約数和(自身を含む): 2526225408

約数和(自身を除く): 504919663

約数列:

[1, 5, 37, 71, 185, 355, 2627, 13135, 153887, 769435, 5693819, 10925977, 28469095, 54629885, 404261149, 2021305745]

約数ペア:

[(1, 2021305745), (5, 404261149), (37, 54629885), (71, 28469095), (185, 10925977), (355, 5693819), (2627, 769435), (13135, 153887)]