21815664876

素因数分解:

$2^2\times 3^4\times {\mathrm{2381}}^1\times {\mathrm{28279}}^1$

素因数の和:30676

約数の個数: 60

約数和(自身を含む): 57056427120

約数和(自身を除く): 35240762244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 2381, 4762, 7143, 9524, 14286, 21429, 28279, 28572, 42858, 56558, 64287, 84837, 85716, 113116, 128574, 169674, 192861, 254511, 257148, 339348, 385722, 509022, 763533, 771444, 1018044, 1527066, 2290599, 3054132, 4581198, 9162396, 67332299, 134664598, 201996897, 269329196, 403993794, 605990691, 807987588, 1211981382, 1817972073, 2423962764, 3635944146, 5453916219, 7271888292, 10907832438, 21815664876]

約数ペア:

[(1, 21815664876), (2, 10907832438), (3, 7271888292), (4, 5453916219), (6, 3635944146), (9, 2423962764), (12, 1817972073), (18, 1211981382), (27, 807987588), (36, 605990691), (54, 403993794), (81, 269329196), (108, 201996897), (162, 134664598), (324, 67332299), (2381, 9162396), (4762, 4581198), (7143, 3054132), (9524, 2290599), (14286, 1527066), (21429, 1018044), (28279, 771444), (28572, 763533), (42858, 509022), (56558, 385722), (64287, 339348), (84837, 257148), (85716, 254511), (113116, 192861), (128574, 169674)]