21306791520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:768

約数の個数: 864

約数和(自身を含む): 93037351680

約数和(自身を除く): 71730560160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 23, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 46, 48, 49, 56, 57, 60, 63, 69, 70, 72, 76, 80, 84, 90, 92, 95, 96, 98, 105, 112, 114, 115, 120, 126, 133, 138, 140, 144, 147, 152, 160, 161, 168, 171, 180, 184, 190, 196, 207, 210, 224, 228, 230, 240, 245, 252, 266, 276, 280, 285, 288, 294, 304, 315, 322, 336, 342, 345, 360, 368, 380, 392, 399, 414, 420, 437, 441, 456, 460, 480, 483, 490, 504, 532, 552, 560, 570, 588, 608, 630, 644, 665, 672, 684, 690, 691, 720, 735, 736, 760, 784, 798, 805, 828, 840, 855, 874, 882, 912, 920, 931, 966, 980, 1008, 1035, 1064, 1104, 1120, 1127, 1140, 1176, 1197, 1260, 1288, 1311, 1330, 1368, 1380, 1382, 1440, 1449, 1470, 1520, 1568, 1596, 1610, 1656, 1680, 1710, 1748, 1764, 1824, 1840, 1862, 1932, 1960, 1995, 2016, 2070, 2073, 2128, 2185, 2205, 2208, 2254, 2280, 2352, 2394, 2415, 2520, 2576, 2622, 2660, 2736, 2760, 2764, 2793, 2898, 2940, 3040, 3059, 3192, 3220, 3312, 3360, 3381, 3420, 3455, 3496, 3528, 3680, 3724, 3864, 3920, 3933, 3990, 4140, 4146, 4256, 4370, 4410, 4508, 4560, 4655, 4704, 4788, 4830, 4837, 5040, 5152, 5244, 5320, 5472, 5520, 5528, 5586, 5635, 5796, 5880, 5985, 6118, 6219, 6384, 6440, 6555, 6624, 6762, 6840, 6910, 6992, 7056, 7245, 7448, 7728, 7840, 7866, 7980, 8280, 8292, 8379, 8740, 8820, 9016, 9120, 9177, 9310, 9576, 9660, 9674, 10080, 10143, 10365, 10488, 10640, 11040, 11056, 11172, 11270, 11592, 11760, 11970, 12236, 12438, 12768, 12880, 13110, 13129, 13524, 13680, 13820, 13965, 13984, 14112, 14490, 14511, 14896, 15295, 15456, 15732, 15893, 15960, 16560, 16584, 16758, 16905, 17480, 17640, 18032, 18354, 18620, 19152, 19320, 19348, 19665, 20286, 20730, 20976, 21280, 21413, 22112, 22344, 22540, 23184, 23520, 23940, 24185, 24472, 24876, 25760, 26220, 26258, 27048, 27360, 27531, 27640, 27930, 28980, 29022, 29792, 30590, 31095, 31464, 31786, 31920, 33120, 33168, 33516, 33810, 33859, 34960, 35280, 36064, 36708, 37240, 38304, 38640, 38696, 39330, 39387, 40572, 41460, 41895, 41952, 42826, 43533, 44688, 45080, 45885, 46368, 47679, 47880, 48370, 48944, 49752, 50715, 52440, 52516, 54096, 55062, 55280, 55860, 57960, 58044, 61180, 62190, 62928, 63572, 63840, 64239, 65645, 66336, 67032, 67620, 67718, 69920, 70560, 72555, 73416, 74480, 77280, 77392, 78660, 78774, 79465, 81144, 82920, 83790, 85652, 87066, 89376, 90160, 91770, 91903, 95358, 95760, 96740, 97888, 99504, 101430, 101577, 104880, 105032, 107065, 108192, 110124, 110560, 111251, 111720, 115920, 116088, 118161, 122360, 124380, 125856, 127144, 128478, 131290, 134064, 135240, 135436, 137655, 143037, 145110, 146832, 148960, 154784, 157320, 157548, 158930, 162288, 165840, 167580, 169295, 171304, 174132, 180320, 183540, 183806, 190716, 191520, 192717, 193480, 196935, 199008, 202860, 203154, 209760, 210064, 214130, 217665, 220248, 222502, 223440, 231840, 232176, 236322, 238395, 244720, 248760, 254288, 256956, 262580, 268128, 270480, 270872, 275310, 275709, 286074, 290220, 293664, 301967, 304731, 314640, 315096, 317860, 321195, 324576, 331680, 333753, 335160, 338590, 342608, 348264, 367080, 367612, 381432, 385434, 386960, 393870, 405720, 406308, 420128, 428260, 435330, 440496, 445004, 446880, 459515, 464352, 472644, 476790, 489440, 497520, 507885, 508576, 513912, 525160, 540960, 541744, 550620, 551418, 556255, 572148, 580440, 590805, 603934, 609462, 629280, 630192, 635720, 642390, 643321, 667506, 670320, 677180, 685216, 696528, 715185, 734160, 735224, 762864, 770868, 773920, 778757, 787740, 811440, 812616, 827127, 856520, 870660, 880992, 890008, 905901, 919030, 945288, 953580, 963585, 995040, 1001259, 1015770, 1027824, 1050320, 1083488, 1101240, 1102836, 1112510, 1144296, 1160880, 1181610, 1207868, 1218924, 1260384, 1271440, 1284780, 1286642, 1335012, 1340640, 1354360, 1378545, 1393056, 1430370, 1468320, 1470448, 1509835, 1523655, 1525728, 1541736, 1557514, 1575480, 1622880, 1625232, 1654254, 1668765, 1713040, 1741320, 1780016, 1811802, 1838060, 1890576, 1907160, 1927170, 1929963, 2002518, 2031540, 2055648, 2100640, 2113769, 2202480, 2205672, 2225020, 2288592, 2321760, 2336271, 2363220, 2415736, 2437848, 2542880, 2569560, 2573284, 2670024, 2708720, 2717703, 2757090, 2860740, 2940896, 3019670, 3047310, 3083472, 3115028, 3150960, 3216605, 3250464, 3308508, 3337530, 3426080, 3482640, 3560032, 3623604, 3676120, 3781152, 3814320, 3854340, 3859926, 3893785, 4005036, 4063080, 4135635, 4227538, 4404960, 4411344, 4450040, 4529505, 4577184, 4672542, 4726440, 4831472, 4875696, 5006295, 5139120, 5146568, 5340048, 5417440, 5435406, 5514180, 5721480, 5789889, 6039340, 6094620, 6166944, 6230056, 6301920, 6341307, 6433210, 6617016, 6675060, 6965280, 7008813, 7247208, 7352240, 7628640, 7708680, 7719852, 7787570, 8010072, 8126160, 8271270, 8455076, 8822688, 8900080, 9059010, 9345084, 9452880, 9649815, 9662944, 9751392, 10012590, 10278240, 10293136, 10568845, 10680096, 10870812, 11028360, 11442960, 11579778, 11681355, 12078680, 12189240, 12460112, 12682614, 12866420, 13234032, 13350120, 13588515, 14017626, 14494416, 14704480, 14796383, 15417360, 15439704, 15575140, 16020144, 16252320, 16542540, 16910152, 17800160, 18118020, 18690168, 18905760, 19023921, 19299630, 20025180, 20586272, 21137690, 21741624, 22056720, 22885920, 23159556, 23362710, 24157360, 24378480, 24920224, 25365228, 25732840, 26468064, 26700240, 27177030, 28035252, 28949445, 28988832, 29592766, 30834720, 30879408, 31150280, 31706535, 32040288, 33085080, 33820304, 35044065, 36236040, 37380336, 38047842, 38599260, 40050360, 42275380, 43483248, 44113440, 44389149, 46319112, 46725420, 48314720, 48756960, 50730456, 51465680, 53400480, 54354060, 56070504, 57898890, 59185532, 61758816, 62300560, 63413070, 66170160, 67640608, 70088130, 72472080, 73981915, 74760672, 76095684, 77198520, 80100720, 84550760, 86966496, 88778298, 92638224, 93450840, 95119605, 101460912, 102931360, 108708120, 112141008, 115797780, 118371064, 124601120, 126826140, 132340320, 133167447, 140176260, 144944160, 147963830, 152191368, 154397040, 160201440, 169101520, 177556596, 185276448, 186901680, 190239210, 202921824, 217416240, 221945745, 224282016, 231595560, 236742128, 253652280, 266334894, 280352520, 295927660, 304382736, 308794080, 338203040, 355113192, 373803360, 380478420, 434832480, 443891490, 463191120, 473484256, 507304560, 532669788, 560705040, 591855320, 608765472, 665837235, 710226384, 760956840, 887782980, 926382240, 1014609120, 1065339576, 1121410080, 1183710640, 1331674470, 1420452768, 1521913680, 1775565960, 2130679152, 2367421280, 2663348940, 3043827360, 3551131920, 4261358304, 5326697880, 7102263840, 10653395760, 21306791520]

約数ペア:

[(1, 21306791520), (2, 10653395760), (3, 7102263840), (4, 5326697880), (5, 4261358304), (6, 3551131920), (7, 3043827360), (8, 2663348940), (9, 2367421280), (10, 2130679152), (12, 1775565960), (14, 1521913680), (15, 1420452768), (16, 1331674470), (18, 1183710640), (19, 1121410080), (20, 1065339576), (21, 1014609120), (23, 926382240), (24, 887782980), (28, 760956840), (30, 710226384), (32, 665837235), (35, 608765472), (36, 591855320), (38, 560705040), (40, 532669788), (42, 507304560), (45, 473484256), (46, 463191120), (48, 443891490), (49, 434832480), (56, 380478420), (57, 373803360), (60, 355113192), (63, 338203040), (69, 308794080), (70, 304382736), (72, 295927660), (76, 280352520), (80, 266334894), (84, 253652280), (90, 236742128), (92, 231595560), (95, 224282016), (96, 221945745), (98, 217416240), (105, 202921824), (112, 190239210), (114, 186901680), (115, 185276448), (120, 177556596), (126, 169101520), (133, 160201440), (138, 154397040), (140, 152191368), (144, 147963830), (147, 144944160), (152, 140176260), (160, 133167447), (161, 132340320), (168, 126826140), (171, 124601120), (180, 118371064), (184, 115797780), (190, 112141008), (196, 108708120), (207, 102931360), (210, 101460912), (224, 95119605), (228, 93450840), (230, 92638224), (240, 88778298), (245, 86966496), (252, 84550760), (266, 80100720), (276, 77198520), (280, 76095684), (285, 74760672), (288, 73981915), (294, 72472080), (304, 70088130), (315, 67640608), (322, 66170160), (336, 63413070), (342, 62300560), (345, 61758816), (360, 59185532), (368, 57898890), (380, 56070504), (392, 54354060), (399, 53400480), (414, 51465680), (420, 50730456), (437, 48756960), (441, 48314720), (456, 46725420), (460, 46319112), (480, 44389149), (483, 44113440), (490, 43483248), (504, 42275380), (532, 40050360), (552, 38599260), (560, 38047842), (570, 37380336), (588, 36236040), (608, 35044065), (630, 33820304), (644, 33085080), (665, 32040288), (672, 31706535), (684, 31150280), (690, 30879408), (691, 30834720), (720, 29592766), (735, 28988832), (736, 28949445), (760, 28035252), (784, 27177030), (798, 26700240), (805, 26468064), (828, 25732840), (840, 25365228), (855, 24920224), (874, 24378480), (882, 24157360), (912, 23362710), (920, 23159556), (931, 22885920), (966, 22056720), (980, 21741624), (1008, 21137690), (1035, 20586272), (1064, 20025180), (1104, 19299630), (1120, 19023921), (1127, 18905760), (1140, 18690168), (1176, 18118020), (1197, 17800160), (1260, 16910152), (1288, 16542540), (1311, 16252320), (1330, 16020144), (1368, 15575140), (1380, 15439704), (1382, 15417360), (1440, 14796383), (1449, 14704480), (1470, 14494416), (1520, 14017626), (1568, 13588515), (1596, 13350120), (1610, 13234032), (1656, 12866420), (1680, 12682614), (1710, 12460112), (1748, 12189240), (1764, 12078680), (1824, 11681355), (1840, 11579778), (1862, 11442960), (1932, 11028360), (1960, 10870812), (1995, 10680096), (2016, 10568845), (2070, 10293136), (2073, 10278240), (2128, 10012590), (2185, 9751392), (2205, 9662944), (2208, 9649815), (2254, 9452880), (2280, 9345084), (2352, 9059010), (2394, 8900080), (2415, 8822688), (2520, 8455076), (2576, 8271270), (2622, 8126160), (2660, 8010072), (2736, 7787570), (2760, 7719852), (2764, 7708680), (2793, 7628640), (2898, 7352240), (2940, 7247208), (3040, 7008813), (3059, 6965280), (3192, 6675060), (3220, 6617016), (3312, 6433210), (3360, 6341307), (3381, 6301920), (3420, 6230056), (3455, 6166944), (3496, 6094620), (3528, 6039340), (3680, 5789889), (3724, 5721480), (3864, 5514180), (3920, 5435406), (3933, 5417440), (3990, 5340048), (4140, 5146568), (4146, 5139120), (4256, 5006295), (4370, 4875696), (4410, 4831472), (4508, 4726440), (4560, 4672542), (4655, 4577184), (4704, 4529505), (4788, 4450040), (4830, 4411344), (4837, 4404960), (5040, 4227538), (5152, 4135635), (5244, 4063080), (5320, 4005036), (5472, 3893785), (5520, 3859926), (5528, 3854340), (5586, 3814320), (5635, 3781152), (5796, 3676120), (5880, 3623604), (5985, 3560032), (6118, 3482640), (6219, 3426080), (6384, 3337530), (6440, 3308508), (6555, 3250464), (6624, 3216605), (6762, 3150960), (6840, 3115028), (6910, 3083472), (6992, 3047310), (7056, 3019670), (7245, 2940896), (7448, 2860740), (7728, 2757090), (7840, 2717703), (7866, 2708720), (7980, 2670024), (8280, 2573284), (8292, 2569560), (8379, 2542880), (8740, 2437848), (8820, 2415736), (9016, 2363220), (9120, 2336271), (9177, 2321760), (9310, 2288592), (9576, 2225020), (9660, 2205672), (9674, 2202480), (10080, 2113769), (10143, 2100640), (10365, 2055648), (10488, 2031540), (10640, 2002518), (11040, 1929963), (11056, 1927170), (11172, 1907160), (11270, 1890576), (11592, 1838060), (11760, 1811802), (11970, 1780016), (12236, 1741320), (12438, 1713040), (12768, 1668765), (12880, 1654254), (13110, 1625232), (13129, 1622880), (13524, 1575480), (13680, 1557514), (13820, 1541736), (13965, 1525728), (13984, 1523655), (14112, 1509835), (14490, 1470448), (14511, 1468320), (14896, 1430370), (15295, 1393056), (15456, 1378545), (15732, 1354360), (15893, 1340640), (15960, 1335012), (16560, 1286642), (16584, 1284780), (16758, 1271440), (16905, 1260384), (17480, 1218924), (17640, 1207868), (18032, 1181610), (18354, 1160880), (18620, 1144296), (19152, 1112510), (19320, 1102836), (19348, 1101240), (19665, 1083488), (20286, 1050320), (20730, 1027824), (20976, 1015770), (21280, 1001259), (21413, 995040), (22112, 963585), (22344, 953580), (22540, 945288), (23184, 919030), (23520, 905901), (23940, 890008), (24185, 880992), (24472, 870660), (24876, 856520), (25760, 827127), (26220, 812616), (26258, 811440), (27048, 787740), (27360, 778757), (27531, 773920), (27640, 770868), (27930, 762864), (28980, 735224), (29022, 734160), (29792, 715185), (30590, 696528), (31095, 685216), (31464, 677180), (31786, 670320), (31920, 667506), (33120, 643321), (33168, 642390), (33516, 635720), (33810, 630192), (33859, 629280), (34960, 609462), (35280, 603934), (36064, 590805), (36708, 580440), (37240, 572148), (38304, 556255), (38640, 551418), (38696, 550620), (39330, 541744), (39387, 540960), (40572, 525160), (41460, 513912), (41895, 508576), (41952, 507885), (42826, 497520), (43533, 489440), (44688, 476790), (45080, 472644), (45885, 464352), (46368, 459515), (47679, 446880), (47880, 445004), (48370, 440496), (48944, 435330), (49752, 428260), (50715, 420128), (52440, 406308), (52516, 405720), (54096, 393870), (55062, 386960), (55280, 385434), (55860, 381432), (57960, 367612), (58044, 367080), (61180, 348264), (62190, 342608), (62928, 338590), (63572, 335160), (63840, 333753), (64239, 331680), (65645, 324576), (66336, 321195), (67032, 317860), (67620, 315096), (67718, 314640), (69920, 304731), (70560, 301967), (72555, 293664), (73416, 290220), (74480, 286074), (77280, 275709), (77392, 275310), (78660, 270872), (78774, 270480), (79465, 268128), (81144, 262580), (82920, 256956), (83790, 254288), (85652, 248760), (87066, 244720), (89376, 238395), (90160, 236322), (91770, 232176), (91903, 231840), (95358, 223440), (95760, 222502), (96740, 220248), (97888, 217665), (99504, 214130), (101430, 210064), (101577, 209760), (104880, 203154), (105032, 202860), (107065, 199008), (108192, 196935), (110124, 193480), (110560, 192717), (111251, 191520), (111720, 190716), (115920, 183806), (116088, 183540), (118161, 180320), (122360, 174132), (124380, 171304), (125856, 169295), (127144, 167580), (128478, 165840), (131290, 162288), (134064, 158930), (135240, 157548), (135436, 157320), (137655, 154784), (143037, 148960), (145110, 146832)]