21120104880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{43201}}^1$

素因数の和:43324

約数の個数: 240

約数和(自身を含む): 81898549824

約数和(自身を除く): 60778444944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 97, 105, 112, 120, 126, 140, 144, 168, 180, 194, 210, 240, 252, 280, 291, 315, 336, 360, 388, 420, 485, 504, 560, 582, 630, 679, 720, 776, 840, 873, 970, 1008, 1164, 1260, 1358, 1455, 1552, 1680, 1746, 1940, 2037, 2328, 2520, 2716, 2910, 3395, 3492, 3880, 4074, 4365, 4656, 5040, 5432, 5820, 6111, 6790, 6984, 7760, 8148, 8730, 10185, 10864, 11640, 12222, 13580, 13968, 16296, 17460, 20370, 23280, 24444, 27160, 30555, 32592, 34920, 40740, 43201, 48888, 54320, 61110, 69840, 81480, 86402, 97776, 122220, 129603, 162960, 172804, 216005, 244440, 259206, 302407, 345608, 388809, 432010, 488880, 518412, 604814, 648015, 691216, 777618, 864020, 907221, 1036824, 1209628, 1296030, 1512035, 1555236, 1728040, 1814442, 1944045, 2073648, 2419256, 2592060, 2721663, 3024070, 3110472, 3456080, 3628884, 3888090, 4190497, 4536105, 4838512, 5184120, 5443326, 6048140, 6220944, 7257768, 7776180, 8380994, 9072210, 10368240, 10886652, 12096280, 12571491, 13608315, 14515536, 15552360, 16761988, 18144420, 20952485, 21773304, 24192560, 25142982, 27216630, 29333479, 31104720, 33523976, 36288840, 37714473, 41904970, 43546608, 50285964, 54433260, 58666958, 62857455, 67047952, 72577680, 75428946, 83809940, 88000437, 100571928, 108866520, 117333916, 125714910, 146667395, 150857892, 167619880, 176000874, 188572365, 201143856, 217733040, 234667832, 251429820, 264001311, 293334790, 301715784, 335239760, 352001748, 377144730, 440002185, 469335664, 502859640, 528002622, 586669580, 603431568, 704003496, 754289460, 880004370, 1005719280, 1056005244, 1173339160, 1320006555, 1408006992, 1508578920, 1760008740, 2112010488, 2346678320, 2640013110, 3017157840, 3520017480, 4224020976, 5280026220, 7040034960, 10560052440, 21120104880]

約数ペア:

[(1, 21120104880), (2, 10560052440), (3, 7040034960), (4, 5280026220), (5, 4224020976), (6, 3520017480), (7, 3017157840), (8, 2640013110), (9, 2346678320), (10, 2112010488), (12, 1760008740), (14, 1508578920), (15, 1408006992), (16, 1320006555), (18, 1173339160), (20, 1056005244), (21, 1005719280), (24, 880004370), (28, 754289460), (30, 704003496), (35, 603431568), (36, 586669580), (40, 528002622), (42, 502859640), (45, 469335664), (48, 440002185), (56, 377144730), (60, 352001748), (63, 335239760), (70, 301715784), (72, 293334790), (80, 264001311), (84, 251429820), (90, 234667832), (97, 217733040), (105, 201143856), (112, 188572365), (120, 176000874), (126, 167619880), (140, 150857892), (144, 146667395), (168, 125714910), (180, 117333916), (194, 108866520), (210, 100571928), (240, 88000437), (252, 83809940), (280, 75428946), (291, 72577680), (315, 67047952), (336, 62857455), (360, 58666958), (388, 54433260), (420, 50285964), (485, 43546608), (504, 41904970), (560, 37714473), (582, 36288840), (630, 33523976), (679, 31104720), (720, 29333479), (776, 27216630), (840, 25142982), (873, 24192560), (970, 21773304), (1008, 20952485), (1164, 18144420), (1260, 16761988), (1358, 15552360), (1455, 14515536), (1552, 13608315), (1680, 12571491), (1746, 12096280), (1940, 10886652), (2037, 10368240), (2328, 9072210), (2520, 8380994), (2716, 7776180), (2910, 7257768), (3395, 6220944), (3492, 6048140), (3880, 5443326), (4074, 5184120), (4365, 4838512), (4656, 4536105), (5040, 4190497), (5432, 3888090), (5820, 3628884), (6111, 3456080), (6790, 3110472), (6984, 3024070), (7760, 2721663), (8148, 2592060), (8730, 2419256), (10185, 2073648), (10864, 1944045), (11640, 1814442), (12222, 1728040), (13580, 1555236), (13968, 1512035), (16296, 1296030), (17460, 1209628), (20370, 1036824), (23280, 907221), (24444, 864020), (27160, 777618), (30555, 691216), (32592, 648015), (34920, 604814), (40740, 518412), (43201, 488880), (48888, 432010), (54320, 388809), (61110, 345608), (69840, 302407), (81480, 259206), (86402, 244440), (97776, 216005), (122220, 172804), (129603, 162960)]