21975291207

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{36443269}}^1$

素因数の和:36443342

約数の個数: 12

約数和(自身を含む): 32215850680

約数和(自身を除く): 10240559473

約数列:

[1, 3, 9, 67, 201, 603, 36443269, 109329807, 327989421, 2441699023, 7325097069, 21975291207]

約数ペア:

[(1, 21975291207), (3, 7325097069), (9, 2441699023), (67, 327989421), (201, 109329807), (603, 36443269)]