21000824574

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{14407}}^1$

素因数の和:14921

約数の個数: 64

約数和(自身を含む): 46009700352

約数和(自身を除く): 25008875778

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 93, 102, 186, 461, 527, 922, 1054, 1383, 1581, 2766, 3162, 7837, 14291, 14407, 15674, 23511, 28582, 28814, 42873, 43221, 47022, 85746, 86442, 242947, 244919, 446617, 485894, 489838, 728841, 734757, 893234, 1339851, 1457682, 1469514, 2679702, 6641627, 7592489, 13283254, 15184978, 19924881, 22777467, 39849762, 45554934, 112907659, 205890437, 225815318, 338722977, 411780874, 617671311, 677445954, 1235342622, 3500137429, 7000274858, 10500412287, 21000824574]

約数ペア:

[(1, 21000824574), (2, 10500412287), (3, 7000274858), (6, 3500137429), (17, 1235342622), (31, 677445954), (34, 617671311), (51, 411780874), (62, 338722977), (93, 225815318), (102, 205890437), (186, 112907659), (461, 45554934), (527, 39849762), (922, 22777467), (1054, 19924881), (1383, 15184978), (1581, 13283254), (2766, 7592489), (3162, 6641627), (7837, 2679702), (14291, 1469514), (14407, 1457682), (15674, 1339851), (23511, 893234), (28582, 734757), (28814, 728841), (42873, 489838), (43221, 485894), (47022, 446617), (85746, 244919), (86442, 242947)]