21727684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{493811}}^1$

素因数の和:493826

約数の個数: 12

約数和(自身を含む): 41480208

約数和(自身を除く): 19752524

約数列:

[1, 2, 4, 11, 22, 44, 493811, 987622, 1975244, 5431921, 10863842, 21727684]

約数ペア:

[(1, 21727684), (2, 10863842), (4, 5431921), (11, 1975244), (22, 987622), (44, 493811)]