21409234

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139021}}^1$

素因数の和:139041

約数の個数: 16

約数和(自身を含む): 40038336

約数和(自身を除く): 18629102

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139021, 278042, 973147, 1529231, 1946294, 3058462, 10704617, 21409234]

約数ペア:

[(1, 21409234), (2, 10704617), (7, 3058462), (11, 1946294), (14, 1529231), (22, 973147), (77, 278042), (154, 139021)]