21489984

素因数分解:

$2^6\times 3^2\times {\mathrm{37309}}^1$

素因数の和:37327

約数の個数: 42

約数和(自身を含む): 61598810

約数和(自身を除く): 40108826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 37309, 74618, 111927, 149236, 223854, 298472, 335781, 447708, 596944, 671562, 895416, 1193888, 1343124, 1790832, 2387776, 2686248, 3581664, 5372496, 7163328, 10744992, 21489984]

約数ペア:

[(1, 21489984), (2, 10744992), (3, 7163328), (4, 5372496), (6, 3581664), (8, 2686248), (9, 2387776), (12, 1790832), (16, 1343124), (18, 1193888), (24, 895416), (32, 671562), (36, 596944), (48, 447708), (64, 335781), (72, 298472), (96, 223854), (144, 149236), (192, 111927), (288, 74618), (576, 37309)]