21485288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8419}}^1$

素因数の和:8465

約数の個数: 32

約数和(自身を含む): 45468000

約数和(自身を除く): 23982712

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 8419, 16838, 33676, 67352, 92609, 185218, 244151, 370436, 488302, 740872, 976604, 1953208, 2685661, 5371322, 10742644, 21485288]

約数ペア:

[(1, 21485288), (2, 10742644), (4, 5371322), (8, 2685661), (11, 1953208), (22, 976604), (29, 740872), (44, 488302), (58, 370436), (88, 244151), (116, 185218), (232, 92609), (319, 67352), (638, 33676), (1276, 16838), (2552, 8419)]