21581472

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 41124192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 107, 132, 176, 191, 214, 264, 321, 352, 382, 428, 528, 573, 642, 764, 856, 1056, 1146, 1177, 1284, 1528, 1712, 2101, 2292, 2354, 2568, 3056, 3424, 3531, 4202, 4584, 4708, 5136, 6112, 6303, 7062, 8404, 9168, 9416, 10272, 12606, 14124, 16808, 18336, 18832, 20437, 25212, 28248, 33616, 37664, 40874, 50424, 56496, 61311, 67232, 81748, 100848, 112992, 122622, 163496, 201696, 224807, 245244, 326992, 449614, 490488, 653984, 674421, 899228, 980976, 1348842, 1798456, 1961952, 2697684, 3596912, 5395368, 7193824, 10790736, 21581472]

約数ペア:

[(1, 21581472), (2, 10790736), (3, 7193824), (4, 5395368), (6, 3596912), (8, 2697684), (11, 1961952), (12, 1798456), (16, 1348842), (22, 980976), (24, 899228), (32, 674421), (33, 653984), (44, 490488), (48, 449614), (66, 326992), (88, 245244), (96, 224807), (107, 201696), (132, 163496), (176, 122622), (191, 112992), (214, 100848), (264, 81748), (321, 67232), (352, 61311), (382, 56496), (428, 50424), (528, 40874), (573, 37664), (642, 33616), (764, 28248), (856, 25212), (1056, 20437), (1146, 18832), (1177, 18336), (1284, 16808), (1528, 14124), (1712, 12606), (2101, 10272), (2292, 9416), (2354, 9168), (2568, 8404), (3056, 7062), (3424, 6303), (3531, 6112), (4202, 5136), (4584, 4708)]