21082138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136897}}^1$

素因数の和:136917

約数の個数: 16

約数和(自身を含む): 39426624

約数和(自身を除く): 18344486

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136897, 273794, 958279, 1505867, 1916558, 3011734, 10541069, 21082138]

約数ペア:

[(1, 21082138), (2, 10541069), (7, 3011734), (11, 1916558), (14, 1505867), (22, 958279), (77, 273794), (154, 136897)]