21531774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1049}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 25642626

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 311, 622, 933, 1049, 1866, 2098, 3147, 3421, 6294, 6842, 10263, 11539, 20526, 23078, 34617, 69234, 326239, 652478, 978717, 1957434, 3588629, 7177258, 10765887, 21531774]

約数ペア:

[(1, 21531774), (2, 10765887), (3, 7177258), (6, 3588629), (11, 1957434), (22, 978717), (33, 652478), (66, 326239), (311, 69234), (622, 34617), (933, 23078), (1049, 20526), (1866, 11539), (2098, 10263), (3147, 6842), (3421, 6294)]