21184217976

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{107473}}^1$

素因数の和:107716

約数の個数: 64

約数和(自身を含む): 54476421120

約数和(自身を除く): 33292203144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 191, 258, 344, 382, 516, 573, 764, 1032, 1146, 1528, 2292, 4584, 8213, 16426, 24639, 32852, 49278, 65704, 98556, 107473, 197112, 214946, 322419, 429892, 644838, 859784, 1289676, 2579352, 4621339, 9242678, 13864017, 18485356, 20527343, 27728034, 36970712, 41054686, 55456068, 61582029, 82109372, 110912136, 123164058, 164218744, 246328116, 492656232, 882675749, 1765351498, 2648027247, 3530702996, 5296054494, 7061405992, 10592108988, 21184217976]

約数ペア:

[(1, 21184217976), (2, 10592108988), (3, 7061405992), (4, 5296054494), (6, 3530702996), (8, 2648027247), (12, 1765351498), (24, 882675749), (43, 492656232), (86, 246328116), (129, 164218744), (172, 123164058), (191, 110912136), (258, 82109372), (344, 61582029), (382, 55456068), (516, 41054686), (573, 36970712), (764, 27728034), (1032, 20527343), (1146, 18485356), (1528, 13864017), (2292, 9242678), (4584, 4621339), (8213, 2579352), (16426, 1289676), (24639, 859784), (32852, 644838), (49278, 429892), (65704, 322419), (98556, 214946), (107473, 197112)]