21855752

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 43009920

約数和(自身を除く): 21154168

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1571, 1739, 3142, 3478, 6284, 6956, 12568, 13912, 58127, 73837, 116254, 147674, 232508, 295348, 465016, 590696, 2731969, 5463938, 10927876, 21855752]

約数ペア:

[(1, 21855752), (2, 10927876), (4, 5463938), (8, 2731969), (37, 590696), (47, 465016), (74, 295348), (94, 232508), (148, 147674), (188, 116254), (296, 73837), (376, 58127), (1571, 13912), (1739, 12568), (3142, 6956), (3478, 6284)]