21783124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{495071}}^1$

素因数の和:495086

約数の個数: 12

約数和(自身を含む): 41586048

約数和(自身を除く): 19802924

約数列:

[1, 2, 4, 11, 22, 44, 495071, 990142, 1980284, 5445781, 10891562, 21783124]

約数ペア:

[(1, 21783124), (2, 10891562), (4, 5445781), (11, 1980284), (22, 990142), (44, 495071)]