21799560.000000000

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 238608384

約数和(自身を除く): 124718848

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 113, 124, 127, 128, 226, 248, 254, 256, 452, 496, 508, 904, 992, 1016, 1808, 1984, 2032, 3503, 3616, 3937, 3968, 4064, 7006, 7232, 7874, 7936, 8128, 14012, 14351, 14464, 15748, 16256, 28024, 28702, 28928, 31496, 32512, 56048, 57404, 62992, 112096, 114808, 125984, 224192, 229616, 251968, 444881, 448384, 459232, 503936, 889762, 896768, 918464, 1007872, 1779524, 1836928, 3559048, 3673856, 7118096, 14236192, 28472384, 56944768, 113889536]

約数ペア:

[(1, 113889536), (2, 56944768), (4, 28472384), (8, 14236192), (16, 7118096), (31, 3673856), (32, 3559048), (62, 1836928), (64, 1779524), (113, 1007872), (124, 918464), (127, 896768), (128, 889762), (226, 503936), (248, 459232), (254, 448384), (256, 444881), (452, 251968), (496, 229616), (508, 224192), (904, 125984), (992, 114808), (1016, 112096), (1808, 62992), (1984, 57404), (2032, 56048), (3503, 32512), (3616, 31496), (3937, 28928), (3968, 28702), (4064, 28024), (7006, 16256), (7232, 15748), (7874, 14464), (7936, 14351), (8128, 14012)]