21000470432

素因数分解:

$2^5\times {\mathrm{337}}^1\times {\mathrm{1171}}^1\times {\mathrm{1663}}^1$

素因数の和:3181

約数の個数: 48

約数和(自身を含む): 41527729152

約数和(自身を除く): 20527258720

約数列:

[1, 2, 4, 8, 16, 32, 337, 674, 1171, 1348, 1663, 2342, 2696, 3326, 4684, 5392, 6652, 9368, 10784, 13304, 18736, 26608, 37472, 53216, 394627, 560431, 789254, 1120862, 1578508, 1947373, 2241724, 3157016, 3894746, 4483448, 6314032, 7789492, 8966896, 12628064, 15578984, 17933792, 31157968, 62315936, 656264701, 1312529402, 2625058804, 5250117608, 10500235216, 21000470432]

約数ペア:

[(1, 21000470432), (2, 10500235216), (4, 5250117608), (8, 2625058804), (16, 1312529402), (32, 656264701), (337, 62315936), (674, 31157968), (1171, 17933792), (1348, 15578984), (1663, 12628064), (2342, 8966896), (2696, 7789492), (3326, 6314032), (4684, 4483448), (5392, 3894746), (6652, 3157016), (9368, 2241724), (10784, 1947373), (13304, 1578508), (18736, 1120862), (26608, 789254), (37472, 560431), (53216, 394627)]