21128074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{1321}}^1$

素因数の和:2061

約数の個数: 16

約数和(自身を含む): 34646976

約数和(自身を除く): 13518902

約数列:

[1, 2, 11, 22, 727, 1321, 1454, 2642, 7997, 14531, 15994, 29062, 960367, 1920734, 10564037, 21128074]

約数ペア:

[(1, 21128074), (2, 10564037), (11, 1920734), (22, 960367), (727, 29062), (1321, 15994), (1454, 14531), (2642, 7997)]