21214710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2381}}^1$

素因数の和:2411

約数の個数: 80

約数和(自身を含む): 62255952

約数和(自身を除く): 41041242

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2381, 2970, 4455, 4762, 7143, 8910, 11905, 14286, 21429, 23810, 26191, 35715, 42858, 52382, 64287, 71430, 78573, 107145, 128574, 130955, 157146, 192861, 214290, 235719, 261910, 321435, 385722, 392865, 471438, 642870, 707157, 785730, 964305, 1178595, 1414314, 1928610, 2121471, 2357190, 3535785, 4242942, 7071570, 10607355, 21214710]

約数ペア:

[(1, 21214710), (2, 10607355), (3, 7071570), (5, 4242942), (6, 3535785), (9, 2357190), (10, 2121471), (11, 1928610), (15, 1414314), (18, 1178595), (22, 964305), (27, 785730), (30, 707157), (33, 642870), (45, 471438), (54, 392865), (55, 385722), (66, 321435), (81, 261910), (90, 235719), (99, 214290), (110, 192861), (135, 157146), (162, 130955), (165, 128574), (198, 107145), (270, 78573), (297, 71430), (330, 64287), (405, 52382), (495, 42858), (594, 35715), (810, 26191), (891, 23810), (990, 21429), (1485, 14286), (1782, 11905), (2381, 8910), (2970, 7143), (4455, 4762)]