21734048

素因数分解:

$2^5\times 7^2\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 72

約数和(自身を含む): 50676192

約数和(自身を除く): 28942144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 83, 98, 112, 166, 167, 196, 224, 332, 334, 392, 581, 664, 668, 784, 1162, 1169, 1328, 1336, 1568, 2324, 2338, 2656, 2672, 4067, 4648, 4676, 5344, 8134, 8183, 9296, 9352, 13861, 16268, 16366, 18592, 18704, 27722, 32536, 32732, 37408, 55444, 65072, 65464, 97027, 110888, 130144, 130928, 194054, 221776, 261856, 388108, 443552, 679189, 776216, 1358378, 1552432, 2716756, 3104864, 5433512, 10867024, 21734048]

約数ペア:

[(1, 21734048), (2, 10867024), (4, 5433512), (7, 3104864), (8, 2716756), (14, 1552432), (16, 1358378), (28, 776216), (32, 679189), (49, 443552), (56, 388108), (83, 261856), (98, 221776), (112, 194054), (166, 130928), (167, 130144), (196, 110888), (224, 97027), (332, 65464), (334, 65072), (392, 55444), (581, 37408), (664, 32732), (668, 32536), (784, 27722), (1162, 18704), (1169, 18592), (1328, 16366), (1336, 16268), (1568, 13861), (2324, 9352), (2338, 9296), (2656, 8183), (2672, 8134), (4067, 5344), (4648, 4676)]