21810510456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{422881}}^1$

素因数の和:423204

約数の個数: 64

約数和(自身を含む): 62518874880

約数和(自身を除く): 40708364424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 307, 614, 921, 1228, 1842, 2149, 2456, 3684, 4298, 6447, 7368, 8596, 12894, 17192, 25788, 51576, 422881, 845762, 1268643, 1691524, 2537286, 2960167, 3383048, 5074572, 5920334, 8880501, 10149144, 11840668, 17761002, 23681336, 35522004, 71044008, 129824467, 259648934, 389473401, 519297868, 778946802, 908771269, 1038595736, 1557893604, 1817542538, 2726313807, 3115787208, 3635085076, 5452627614, 7270170152, 10905255228, 21810510456]

約数ペア:

[(1, 21810510456), (2, 10905255228), (3, 7270170152), (4, 5452627614), (6, 3635085076), (7, 3115787208), (8, 2726313807), (12, 1817542538), (14, 1557893604), (21, 1038595736), (24, 908771269), (28, 778946802), (42, 519297868), (56, 389473401), (84, 259648934), (168, 129824467), (307, 71044008), (614, 35522004), (921, 23681336), (1228, 17761002), (1842, 11840668), (2149, 10149144), (2456, 8880501), (3684, 5920334), (4298, 5074572), (6447, 3383048), (7368, 2960167), (8596, 2537286), (12894, 1691524), (17192, 1268643), (25788, 845762), (51576, 422881)]