21720187776

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{11527}}^1$

素因数の和:12252

約数の個数: 128

約数和(自身を含む): 66036072960

約数和(自身を除く): 44315885184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 701, 896, 1344, 1402, 2103, 2688, 2804, 4206, 4907, 5608, 8412, 9814, 11216, 11527, 14721, 16824, 19628, 22432, 23054, 29442, 33648, 34581, 39256, 44864, 46108, 58884, 67296, 69162, 78512, 80689, 89728, 92216, 117768, 134592, 138324, 157024, 161378, 184432, 235536, 242067, 269184, 276648, 314048, 322756, 368864, 471072, 484134, 553296, 628096, 645512, 737728, 942144, 968268, 1106592, 1291024, 1475456, 1884288, 1936536, 2213184, 2582048, 3873072, 4426368, 5164096, 7746144, 8080427, 10328192, 15492288, 16160854, 24241281, 30984576, 32321708, 48482562, 56562989, 64643416, 96965124, 113125978, 129286832, 169688967, 193930248, 226251956, 258573664, 339377934, 387860496, 452503912, 517147328, 678755868, 775720992, 905007824, 1034294656, 1357511736, 1551441984, 1810015648, 2715023472, 3102883968, 3620031296, 5430046944, 7240062592, 10860093888, 21720187776]

約数ペア:

[(1, 21720187776), (2, 10860093888), (3, 7240062592), (4, 5430046944), (6, 3620031296), (7, 3102883968), (8, 2715023472), (12, 1810015648), (14, 1551441984), (16, 1357511736), (21, 1034294656), (24, 905007824), (28, 775720992), (32, 678755868), (42, 517147328), (48, 452503912), (56, 387860496), (64, 339377934), (84, 258573664), (96, 226251956), (112, 193930248), (128, 169688967), (168, 129286832), (192, 113125978), (224, 96965124), (336, 64643416), (384, 56562989), (448, 48482562), (672, 32321708), (701, 30984576), (896, 24241281), (1344, 16160854), (1402, 15492288), (2103, 10328192), (2688, 8080427), (2804, 7746144), (4206, 5164096), (4907, 4426368), (5608, 3873072), (8412, 2582048), (9814, 2213184), (11216, 1936536), (11527, 1884288), (14721, 1475456), (16824, 1291024), (19628, 1106592), (22432, 968268), (23054, 942144), (29442, 737728), (33648, 645512), (34581, 628096), (39256, 553296), (44864, 484134), (46108, 471072), (58884, 368864), (67296, 322756), (69162, 314048), (78512, 276648), (80689, 269184), (89728, 242067), (92216, 235536), (117768, 184432), (134592, 161378), (138324, 157024)]