21588322

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 39726720

約数和(自身を除く): 18138398

約数列:

[1, 2, 7, 14, 43, 47, 49, 86, 94, 98, 109, 218, 301, 329, 602, 658, 763, 1526, 2021, 2107, 2303, 4042, 4214, 4606, 4687, 5123, 5341, 9374, 10246, 10682, 14147, 28294, 32809, 35861, 65618, 71722, 99029, 198058, 220289, 229663, 251027, 440578, 459326, 502054, 1542023, 3084046, 10794161, 21588322]

約数ペア:

[(1, 21588322), (2, 10794161), (7, 3084046), (14, 1542023), (43, 502054), (47, 459326), (49, 440578), (86, 251027), (94, 229663), (98, 220289), (109, 198058), (218, 99029), (301, 71722), (329, 65618), (602, 35861), (658, 32809), (763, 28294), (1526, 14147), (2021, 10682), (2107, 10246), (2303, 9374), (4042, 5341), (4214, 5123), (4606, 4687)]