21991488

素因数分解:

$2^6\times 3^1\times {\mathrm{47}}^1\times {\mathrm{2437}}^1$

素因数の和:2499

約数の個数: 56

約数和(自身を含む): 59448192

約数和(自身を除く): 37456704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 141, 188, 192, 282, 376, 564, 752, 1128, 1504, 2256, 2437, 3008, 4512, 4874, 7311, 9024, 9748, 14622, 19496, 29244, 38992, 58488, 77984, 114539, 116976, 155968, 229078, 233952, 343617, 458156, 467904, 687234, 916312, 1374468, 1832624, 2748936, 3665248, 5497872, 7330496, 10995744, 21991488]

約数ペア:

[(1, 21991488), (2, 10995744), (3, 7330496), (4, 5497872), (6, 3665248), (8, 2748936), (12, 1832624), (16, 1374468), (24, 916312), (32, 687234), (47, 467904), (48, 458156), (64, 343617), (94, 233952), (96, 229078), (141, 155968), (188, 116976), (192, 114539), (282, 77984), (376, 58488), (564, 38992), (752, 29244), (1128, 19496), (1504, 14622), (2256, 9748), (2437, 9024), (3008, 7311), (4512, 4874)]