21956242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{142573}}^1$

素因数の和:142593

約数の個数: 16

約数和(自身を含む): 41061312

約数和(自身を除く): 19105070

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 142573, 285146, 998011, 1568303, 1996022, 3136606, 10978121, 21956242]

約数ペア:

[(1, 21956242), (2, 10978121), (7, 3136606), (11, 1996022), (14, 1568303), (22, 998011), (77, 285146), (154, 142573)]