21045971520

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{45389}}^1$

素因数の和:45442

約数の個数: 336

約数和(自身を含む): 86329601280

約数和(自身を除く): 65283629760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 64, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 192, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 320, 322, 336, 345, 360, 368, 414, 420, 448, 460, 480, 483, 504, 552, 560, 576, 630, 644, 672, 690, 720, 736, 805, 828, 840, 920, 960, 966, 1008, 1035, 1104, 1120, 1260, 1288, 1344, 1380, 1440, 1449, 1472, 1610, 1656, 1680, 1840, 1932, 2016, 2070, 2208, 2240, 2415, 2520, 2576, 2760, 2880, 2898, 3220, 3312, 3360, 3680, 3864, 4032, 4140, 4416, 4830, 5040, 5152, 5520, 5796, 6440, 6624, 6720, 7245, 7360, 7728, 8280, 9660, 10080, 10304, 11040, 11592, 12880, 13248, 14490, 15456, 16560, 19320, 20160, 22080, 23184, 25760, 28980, 30912, 33120, 38640, 45389, 46368, 51520, 57960, 66240, 77280, 90778, 92736, 115920, 136167, 154560, 181556, 226945, 231840, 272334, 317723, 363112, 408501, 453890, 463680, 544668, 635446, 680835, 726224, 817002, 907780, 953169, 1043947, 1089336, 1270892, 1361670, 1452448, 1588615, 1634004, 1815560, 1906338, 2042505, 2087894, 2178672, 2541784, 2723340, 2859507, 2904896, 3131841, 3177230, 3268008, 3631120, 3812676, 4085010, 4175788, 4357344, 4765845, 5083568, 5219735, 5446680, 5719014, 6263682, 6354460, 6536016, 7262240, 7307629, 7625352, 8170020, 8351576, 8714688, 9395523, 9531690, 10167136, 10439470, 10893360, 11438028, 12527364, 12708920, 13072032, 14297535, 14524480, 14615258, 15250704, 15659205, 16340040, 16703152, 18791046, 19063380, 20334272, 20878940, 21786720, 21922887, 22876056, 25054728, 25417840, 26144064, 28595070, 29230516, 30501408, 31318410, 32680080, 33406304, 36538145, 37582092, 38126760, 41757880, 43573440, 43845774, 45752112, 46977615, 50109456, 50835680, 57190140, 58461032, 61002816, 62636820, 65360160, 65768661, 66812608, 73076290, 75164184, 76253520, 83515760, 87691548, 91504224, 93955230, 100218912, 101671360, 109614435, 114380280, 116922064, 125273640, 130720320, 131537322, 146152580, 150328368, 152507040, 167031520, 175383096, 183008448, 187910460, 200437824, 219228870, 228760560, 233844128, 250547280, 263074644, 292305160, 300656736, 305014080, 328843305, 334063040, 350766192, 375820920, 438457740, 457521120, 467688256, 501094560, 526149288, 584610320, 601313472, 657686610, 701532384, 751641840, 876915480, 915042240, 1002189120, 1052298576, 1169220640, 1315373220, 1403064768, 1503283680, 1753830960, 2104597152, 2338441280, 2630746440, 3006567360, 3507661920, 4209194304, 5261492880, 7015323840, 10522985760, 21045971520]

約数ペア:

[(1, 21045971520), (2, 10522985760), (3, 7015323840), (4, 5261492880), (5, 4209194304), (6, 3507661920), (7, 3006567360), (8, 2630746440), (9, 2338441280), (10, 2104597152), (12, 1753830960), (14, 1503283680), (15, 1403064768), (16, 1315373220), (18, 1169220640), (20, 1052298576), (21, 1002189120), (23, 915042240), (24, 876915480), (28, 751641840), (30, 701532384), (32, 657686610), (35, 601313472), (36, 584610320), (40, 526149288), (42, 501094560), (45, 467688256), (46, 457521120), (48, 438457740), (56, 375820920), (60, 350766192), (63, 334063040), (64, 328843305), (69, 305014080), (70, 300656736), (72, 292305160), (80, 263074644), (84, 250547280), (90, 233844128), (92, 228760560), (96, 219228870), (105, 200437824), (112, 187910460), (115, 183008448), (120, 175383096), (126, 167031520), (138, 152507040), (140, 150328368), (144, 146152580), (160, 131537322), (161, 130720320), (168, 125273640), (180, 116922064), (184, 114380280), (192, 109614435), (207, 101671360), (210, 100218912), (224, 93955230), (230, 91504224), (240, 87691548), (252, 83515760), (276, 76253520), (280, 75164184), (288, 73076290), (315, 66812608), (320, 65768661), (322, 65360160), (336, 62636820), (345, 61002816), (360, 58461032), (368, 57190140), (414, 50835680), (420, 50109456), (448, 46977615), (460, 45752112), (480, 43845774), (483, 43573440), (504, 41757880), (552, 38126760), (560, 37582092), (576, 36538145), (630, 33406304), (644, 32680080), (672, 31318410), (690, 30501408), (720, 29230516), (736, 28595070), (805, 26144064), (828, 25417840), (840, 25054728), (920, 22876056), (960, 21922887), (966, 21786720), (1008, 20878940), (1035, 20334272), (1104, 19063380), (1120, 18791046), (1260, 16703152), (1288, 16340040), (1344, 15659205), (1380, 15250704), (1440, 14615258), (1449, 14524480), (1472, 14297535), (1610, 13072032), (1656, 12708920), (1680, 12527364), (1840, 11438028), (1932, 10893360), (2016, 10439470), (2070, 10167136), (2208, 9531690), (2240, 9395523), (2415, 8714688), (2520, 8351576), (2576, 8170020), (2760, 7625352), (2880, 7307629), (2898, 7262240), (3220, 6536016), (3312, 6354460), (3360, 6263682), (3680, 5719014), (3864, 5446680), (4032, 5219735), (4140, 5083568), (4416, 4765845), (4830, 4357344), (5040, 4175788), (5152, 4085010), (5520, 3812676), (5796, 3631120), (6440, 3268008), (6624, 3177230), (6720, 3131841), (7245, 2904896), (7360, 2859507), (7728, 2723340), (8280, 2541784), (9660, 2178672), (10080, 2087894), (10304, 2042505), (11040, 1906338), (11592, 1815560), (12880, 1634004), (13248, 1588615), (14490, 1452448), (15456, 1361670), (16560, 1270892), (19320, 1089336), (20160, 1043947), (22080, 953169), (23184, 907780), (25760, 817002), (28980, 726224), (30912, 680835), (33120, 635446), (38640, 544668), (45389, 463680), (46368, 453890), (51520, 408501), (57960, 363112), (66240, 317723), (77280, 272334), (90778, 231840), (92736, 226945), (115920, 181556), (136167, 154560)]