21690020520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:678

約数の個数: 576

約数和(自身を含む): 87582643200

約数和(自身を除く): 65892622680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 49, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 98, 102, 105, 119, 120, 126, 136, 140, 147, 151, 153, 168, 170, 180, 196, 204, 210, 238, 245, 252, 255, 280, 294, 302, 306, 315, 340, 357, 360, 392, 408, 420, 441, 453, 476, 479, 490, 504, 510, 588, 595, 604, 612, 630, 680, 714, 735, 755, 765, 833, 840, 882, 906, 952, 958, 980, 1020, 1057, 1071, 1176, 1190, 1208, 1224, 1260, 1359, 1428, 1437, 1470, 1510, 1530, 1666, 1764, 1785, 1812, 1916, 1960, 2040, 2114, 2142, 2205, 2265, 2380, 2395, 2499, 2520, 2567, 2718, 2856, 2874, 2940, 3020, 3060, 3171, 3332, 3353, 3528, 3570, 3624, 3832, 4165, 4228, 4284, 4311, 4410, 4530, 4760, 4790, 4998, 5134, 5285, 5355, 5436, 5748, 5880, 6040, 6120, 6342, 6664, 6706, 6795, 7140, 7185, 7399, 7497, 7701, 8143, 8330, 8456, 8568, 8622, 8820, 9060, 9513, 9580, 9996, 10059, 10268, 10570, 10710, 10872, 11496, 12495, 12684, 12835, 13412, 13590, 14280, 14370, 14798, 14994, 15402, 15855, 16286, 16660, 16765, 17244, 17640, 17969, 18120, 19026, 19160, 19992, 20118, 20536, 21140, 21420, 21555, 22197, 23103, 23471, 24429, 24990, 25368, 25670, 26824, 27180, 28740, 29596, 29988, 30177, 30804, 31710, 32572, 33320, 33530, 34488, 35938, 36995, 37485, 38052, 38505, 40236, 40715, 42280, 42840, 43110, 44394, 46206, 46942, 47565, 48858, 49980, 50295, 51340, 53907, 54360, 57001, 57480, 59192, 59976, 60354, 61608, 63420, 65144, 66591, 67060, 70413, 71876, 72329, 73287, 73990, 74970, 76104, 77010, 80472, 81430, 86220, 88788, 89845, 92412, 93884, 95130, 97716, 99960, 100590, 102680, 107814, 110985, 114002, 115515, 117355, 120708, 122145, 125783, 126840, 133182, 134120, 140826, 143752, 144658, 146574, 147980, 149940, 150885, 154020, 161721, 162860, 171003, 172440, 177576, 179690, 184824, 187768, 190260, 195432, 201180, 211239, 215628, 216987, 221970, 228004, 231030, 234710, 241416, 244290, 251566, 266364, 269535, 281652, 285005, 289316, 293148, 295960, 299880, 301770, 308040, 323442, 325720, 332955, 342006, 352065, 359380, 361645, 366435, 377349, 380520, 399007, 402360, 422478, 431256, 433974, 443940, 456008, 462060, 469420, 488580, 503132, 506303, 513009, 532728, 539070, 563304, 570010, 578632, 586296, 603540, 628915, 646884, 650961, 665910, 684012, 704130, 718760, 723290, 732870, 754698, 798014, 808605, 844956, 855015, 867948, 887880, 924120, 938840, 977160, 1006264, 1012606, 1026018, 1056195, 1078140, 1084935, 1132047, 1140020, 1197021, 1207080, 1229593, 1257830, 1293768, 1301922, 1331820, 1368024, 1408260, 1446580, 1465740, 1509396, 1518909, 1596028, 1617210, 1689912, 1710030, 1735896, 1886745, 1995035, 2025212, 2052036, 2112390, 2156280, 2169870, 2264094, 2280040, 2394042, 2459186, 2515660, 2531515, 2565045, 2603844, 2663640, 2816520, 2893160, 2931480, 3018792, 3037818, 3192056, 3234420, 3254805, 3420060, 3544121, 3591063, 3688779, 3773490, 3990070, 4050424, 4104072, 4224780, 4339740, 4528188, 4556727, 4788084, 4918372, 5031320, 5063030, 5130090, 5207688, 5660235, 5985105, 6075636, 6147965, 6468840, 6509610, 6840120, 7088242, 7182126, 7377558, 7546980, 7594545, 7980140, 8449560, 8607151, 8679480, 9056376, 9113454, 9576168, 9836744, 10126060, 10260180, 10632363, 11066337, 11320470, 11970210, 12151272, 12295930, 13019220, 14176484, 14364252, 14755116, 15093960, 15189090, 15960280, 17214302, 17720605, 17955315, 18226908, 18443895, 20252120, 20520360, 21264726, 22132674, 22640940, 22783635, 23940420, 24591860, 25821453, 26038440, 28352968, 28728504, 29510232, 30378180, 31897089, 34428604, 35441210, 35910630, 36453816, 36887790, 42529452, 43035755, 44265348, 45281880, 45567270, 47880840, 49183720, 51642906, 53161815, 55331685, 60250057, 60756360, 63794178, 68857208, 70882420, 71821260, 73775580, 77464359, 85058904, 86071510, 88530696, 91134540, 103285812, 106323630, 110663370, 120500114, 127588356, 129107265, 141764840, 143642520, 147551160, 154928718, 159485445, 172143020, 180750171, 182269080, 206571624, 212647260, 221326740, 241000228, 255176712, 258214530, 301250285, 309857436, 318970890, 344286040, 361500342, 387321795, 425294520, 442653480, 482000456, 516429060, 542250513, 602500570, 619714872, 637941780, 723000684, 774643590, 903750855, 1032858120, 1084501026, 1205001140, 1275883560, 1446001368, 1549287180, 1807501710, 2169002052, 2410002280, 2711252565, 3098574360, 3615003420, 4338004104, 5422505130, 7230006840, 10845010260, 21690020520]

約数ペア:

[(1, 21690020520), (2, 10845010260), (3, 7230006840), (4, 5422505130), (5, 4338004104), (6, 3615003420), (7, 3098574360), (8, 2711252565), (9, 2410002280), (10, 2169002052), (12, 1807501710), (14, 1549287180), (15, 1446001368), (17, 1275883560), (18, 1205001140), (20, 1084501026), (21, 1032858120), (24, 903750855), (28, 774643590), (30, 723000684), (34, 637941780), (35, 619714872), (36, 602500570), (40, 542250513), (42, 516429060), (45, 482000456), (49, 442653480), (51, 425294520), (56, 387321795), (60, 361500342), (63, 344286040), (68, 318970890), (70, 309857436), (72, 301250285), (84, 258214530), (85, 255176712), (90, 241000228), (98, 221326740), (102, 212647260), (105, 206571624), (119, 182269080), (120, 180750171), (126, 172143020), (136, 159485445), (140, 154928718), (147, 147551160), (151, 143642520), (153, 141764840), (168, 129107265), (170, 127588356), (180, 120500114), (196, 110663370), (204, 106323630), (210, 103285812), (238, 91134540), (245, 88530696), (252, 86071510), (255, 85058904), (280, 77464359), (294, 73775580), (302, 71821260), (306, 70882420), (315, 68857208), (340, 63794178), (357, 60756360), (360, 60250057), (392, 55331685), (408, 53161815), (420, 51642906), (441, 49183720), (453, 47880840), (476, 45567270), (479, 45281880), (490, 44265348), (504, 43035755), (510, 42529452), (588, 36887790), (595, 36453816), (604, 35910630), (612, 35441210), (630, 34428604), (680, 31897089), (714, 30378180), (735, 29510232), (755, 28728504), (765, 28352968), (833, 26038440), (840, 25821453), (882, 24591860), (906, 23940420), (952, 22783635), (958, 22640940), (980, 22132674), (1020, 21264726), (1057, 20520360), (1071, 20252120), (1176, 18443895), (1190, 18226908), (1208, 17955315), (1224, 17720605), (1260, 17214302), (1359, 15960280), (1428, 15189090), (1437, 15093960), (1470, 14755116), (1510, 14364252), (1530, 14176484), (1666, 13019220), (1764, 12295930), (1785, 12151272), (1812, 11970210), (1916, 11320470), (1960, 11066337), (2040, 10632363), (2114, 10260180), (2142, 10126060), (2205, 9836744), (2265, 9576168), (2380, 9113454), (2395, 9056376), (2499, 8679480), (2520, 8607151), (2567, 8449560), (2718, 7980140), (2856, 7594545), (2874, 7546980), (2940, 7377558), (3020, 7182126), (3060, 7088242), (3171, 6840120), (3332, 6509610), (3353, 6468840), (3528, 6147965), (3570, 6075636), (3624, 5985105), (3832, 5660235), (4165, 5207688), (4228, 5130090), (4284, 5063030), (4311, 5031320), (4410, 4918372), (4530, 4788084), (4760, 4556727), (4790, 4528188), (4998, 4339740), (5134, 4224780), (5285, 4104072), (5355, 4050424), (5436, 3990070), (5748, 3773490), (5880, 3688779), (6040, 3591063), (6120, 3544121), (6342, 3420060), (6664, 3254805), (6706, 3234420), (6795, 3192056), (7140, 3037818), (7185, 3018792), (7399, 2931480), (7497, 2893160), (7701, 2816520), (8143, 2663640), (8330, 2603844), (8456, 2565045), (8568, 2531515), (8622, 2515660), (8820, 2459186), (9060, 2394042), (9513, 2280040), (9580, 2264094), (9996, 2169870), (10059, 2156280), (10268, 2112390), (10570, 2052036), (10710, 2025212), (10872, 1995035), (11496, 1886745), (12495, 1735896), (12684, 1710030), (12835, 1689912), (13412, 1617210), (13590, 1596028), (14280, 1518909), (14370, 1509396), (14798, 1465740), (14994, 1446580), (15402, 1408260), (15855, 1368024), (16286, 1331820), (16660, 1301922), (16765, 1293768), (17244, 1257830), (17640, 1229593), (17969, 1207080), (18120, 1197021), (19026, 1140020), (19160, 1132047), (19992, 1084935), (20118, 1078140), (20536, 1056195), (21140, 1026018), (21420, 1012606), (21555, 1006264), (22197, 977160), (23103, 938840), (23471, 924120), (24429, 887880), (24990, 867948), (25368, 855015), (25670, 844956), (26824, 808605), (27180, 798014), (28740, 754698), (29596, 732870), (29988, 723290), (30177, 718760), (30804, 704130), (31710, 684012), (32572, 665910), (33320, 650961), (33530, 646884), (34488, 628915), (35938, 603540), (36995, 586296), (37485, 578632), (38052, 570010), (38505, 563304), (40236, 539070), (40715, 532728), (42280, 513009), (42840, 506303), (43110, 503132), (44394, 488580), (46206, 469420), (46942, 462060), (47565, 456008), (48858, 443940), (49980, 433974), (50295, 431256), (51340, 422478), (53907, 402360), (54360, 399007), (57001, 380520), (57480, 377349), (59192, 366435), (59976, 361645), (60354, 359380), (61608, 352065), (63420, 342006), (65144, 332955), (66591, 325720), (67060, 323442), (70413, 308040), (71876, 301770), (72329, 299880), (73287, 295960), (73990, 293148), (74970, 289316), (76104, 285005), (77010, 281652), (80472, 269535), (81430, 266364), (86220, 251566), (88788, 244290), (89845, 241416), (92412, 234710), (93884, 231030), (95130, 228004), (97716, 221970), (99960, 216987), (100590, 215628), (102680, 211239), (107814, 201180), (110985, 195432), (114002, 190260), (115515, 187768), (117355, 184824), (120708, 179690), (122145, 177576), (125783, 172440), (126840, 171003), (133182, 162860), (134120, 161721), (140826, 154020), (143752, 150885), (144658, 149940), (146574, 147980)]