21000657634

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{11369}}^1$

素因数の和:11859

約数の個数: 48

約数和(自身を含む): 36746703000

約数和(自身を除く): 15746045366

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 449, 898, 2057, 4114, 4939, 7633, 9878, 11369, 15266, 22738, 54329, 83963, 108658, 125059, 167926, 193273, 250118, 386546, 923593, 1375649, 1847186, 2126003, 2751298, 4252006, 5104681, 10209362, 23386033, 46772066, 56151491, 86779577, 112302982, 173559154, 617666401, 954575347, 1235332802, 1909150694, 10500328817, 21000657634]

約数ペア:

[(1, 21000657634), (2, 10500328817), (11, 1909150694), (17, 1235332802), (22, 954575347), (34, 617666401), (121, 173559154), (187, 112302982), (242, 86779577), (374, 56151491), (449, 46772066), (898, 23386033), (2057, 10209362), (4114, 5104681), (4939, 4252006), (7633, 2751298), (9878, 2126003), (11369, 1847186), (15266, 1375649), (22738, 923593), (54329, 386546), (83963, 250118), (108658, 193273), (125059, 167926)]