21255045840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 640

約数和(自身を含む): 87262986240

約数和(自身を除く): 66007940400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 108, 112, 120, 124, 126, 135, 137, 140, 144, 155, 168, 180, 186, 189, 210, 216, 217, 240, 248, 252, 270, 274, 279, 280, 310, 315, 331, 336, 360, 372, 378, 411, 420, 432, 434, 465, 496, 504, 540, 548, 558, 560, 620, 630, 651, 662, 685, 720, 744, 756, 822, 837, 840, 868, 930, 945, 959, 993, 1008, 1080, 1085, 1096, 1116, 1233, 1240, 1260, 1302, 1324, 1370, 1395, 1488, 1512, 1644, 1655, 1674, 1680, 1736, 1860, 1890, 1918, 1953, 1986, 2055, 2160, 2170, 2192, 2232, 2317, 2466, 2480, 2520, 2604, 2648, 2740, 2790, 2877, 2979, 3024, 3255, 3288, 3310, 3348, 3472, 3699, 3720, 3780, 3836, 3906, 3972, 4110, 4185, 4247, 4340, 4464, 4634, 4795, 4932, 4965, 5040, 5208, 5296, 5480, 5580, 5754, 5859, 5958, 6165, 6510, 6576, 6620, 6696, 6951, 7398, 7440, 7560, 7672, 7812, 7944, 8220, 8370, 8494, 8631, 8680, 8937, 9268, 9590, 9765, 9864, 9930, 10261, 10416, 10960, 11160, 11508, 11585, 11718, 11916, 12330, 12741, 13020, 13240, 13392, 13902, 14385, 14796, 14895, 15120, 15344, 15624, 15888, 16440, 16740, 16988, 17262, 17360, 17874, 18495, 18536, 19180, 19530, 19728, 19860, 20522, 20853, 21235, 22320, 23016, 23170, 23436, 23832, 24660, 25482, 25893, 26040, 26480, 27804, 28770, 29295, 29592, 29729, 29790, 30783, 31248, 32880, 33480, 33976, 34524, 34755, 35748, 36990, 37072, 38223, 38360, 39060, 39720, 41044, 41706, 42470, 43155, 44685, 45347, 46032, 46340, 46872, 47664, 49320, 50964, 51305, 51786, 52080, 55608, 57540, 58590, 59184, 59458, 59580, 61566, 62559, 63705, 66960, 67952, 69048, 69510, 71496, 71827, 73980, 76446, 76720, 78120, 79440, 82088, 83412, 84940, 86310, 89187, 89370, 90694, 92349, 92680, 93744, 98640, 101928, 102610, 103572, 104265, 111216, 114669, 115080, 117180, 118916, 119160, 123132, 125118, 127410, 129465, 136041, 138096, 139020, 142992, 143654, 147960, 148645, 152892, 153915, 156240, 164176, 166824, 169880, 172620, 178374, 178740, 181388, 184698, 185360, 191115, 203856, 205220, 207144, 208530, 215481, 226735, 229338, 230160, 234360, 237832, 238320, 246264, 250236, 254820, 258930, 267561, 272082, 277047, 278040, 287308, 295920, 297290, 305784, 307830, 312795, 317429, 333648, 339760, 345240, 356748, 357480, 359135, 362776, 369396, 382230, 408123, 410440, 414288, 417060, 430962, 445935, 453470, 458676, 461745, 468720, 475664, 492528, 500472, 509640, 517860, 535122, 544164, 554094, 556080, 573345, 574616, 594580, 611568, 615660, 625590, 634858, 646443, 680205, 690480, 713496, 714960, 718270, 725552, 738792, 764460, 802683, 816246, 820880, 834120, 861924, 891870, 906940, 917352, 923490, 952287, 1000944, 1019280, 1035720, 1070244, 1077405, 1088328, 1108188, 1146690, 1149232, 1189160, 1224369, 1231320, 1251180, 1269716, 1292886, 1337805, 1360410, 1385235, 1405757, 1426992, 1436540, 1477584, 1528920, 1587145, 1605366, 1632492, 1668240, 1723848, 1783740, 1813880, 1834704, 1846980, 1904574, 1939329, 2040615, 2071440, 2140488, 2154810, 2176656, 2216376, 2293380, 2378320, 2448738, 2462640, 2502360, 2539432, 2585772, 2675610, 2720820, 2770470, 2811514, 2856861, 2873080, 3057840, 3174290, 3210732, 3232215, 3264984, 3447696, 3567480, 3627760, 3693960, 3809148, 3878658, 4013415, 4081230, 4217271, 4280976, 4309620, 4432752, 4586760, 4761435, 4897476, 5004720, 5078864, 5171544, 5351220, 5441640, 5540940, 5623028, 5713722, 5746160, 6121845, 6348580, 6421464, 6464430, 6529968, 7028785, 7134960, 7387920, 7618296, 7757316, 8026830, 8162460, 8434542, 8570583, 8619240, 9173520, 9522870, 9696645, 9794952, 9840299, 10343088, 10702440, 10883280, 11081880, 11246056, 11427444, 12243690, 12651813, 12697160, 12842928, 12928860, 14057570, 14284305, 15236592, 15514632, 16053660, 16324920, 16869084, 17141166, 17238480, 19045740, 19393290, 19589904, 19680598, 21086355, 21404880, 22163760, 22492112, 22854888, 24487380, 25303626, 25394320, 25857720, 28115140, 28568610, 29520897, 31029264, 32107320, 32649840, 33738168, 34282332, 37955439, 38091480, 38786580, 39361196, 42172710, 42852915, 45709776, 48974760, 49201495, 50607252, 51715440, 56230280, 57137220, 59041794, 63259065, 64214640, 67476336, 68564664, 75910878, 76182960, 77573160, 78722392, 84345420, 85705830, 88562691, 97949520, 98402990, 101214504, 112460560, 114274440, 118083588, 126518130, 137129328, 147604485, 151821756, 155146320, 157444784, 168690840, 171411660, 177125382, 189777195, 196805980, 202429008, 228548880, 236167176, 253036260, 265688073, 295208970, 303643512, 337381680, 342823320, 354250764, 379554390, 393611960, 442813455, 472334352, 506072520, 531376146, 590417940, 607287024, 685646640, 708501528, 759108780, 787223920, 885626910, 1012145040, 1062752292, 1180835880, 1328440365, 1417003056, 1518217560, 1771253820, 2125504584, 2361671760, 2656880730, 3036435120, 3542507640, 4251009168, 5313761460, 7085015280, 10627522920, 21255045840]

約数ペア:

[(1, 21255045840), (2, 10627522920), (3, 7085015280), (4, 5313761460), (5, 4251009168), (6, 3542507640), (7, 3036435120), (8, 2656880730), (9, 2361671760), (10, 2125504584), (12, 1771253820), (14, 1518217560), (15, 1417003056), (16, 1328440365), (18, 1180835880), (20, 1062752292), (21, 1012145040), (24, 885626910), (27, 787223920), (28, 759108780), (30, 708501528), (31, 685646640), (35, 607287024), (36, 590417940), (40, 531376146), (42, 506072520), (45, 472334352), (48, 442813455), (54, 393611960), (56, 379554390), (60, 354250764), (62, 342823320), (63, 337381680), (70, 303643512), (72, 295208970), (80, 265688073), (84, 253036260), (90, 236167176), (93, 228548880), (105, 202429008), (108, 196805980), (112, 189777195), (120, 177125382), (124, 171411660), (126, 168690840), (135, 157444784), (137, 155146320), (140, 151821756), (144, 147604485), (155, 137129328), (168, 126518130), (180, 118083588), (186, 114274440), (189, 112460560), (210, 101214504), (216, 98402990), (217, 97949520), (240, 88562691), (248, 85705830), (252, 84345420), (270, 78722392), (274, 77573160), (279, 76182960), (280, 75910878), (310, 68564664), (315, 67476336), (331, 64214640), (336, 63259065), (360, 59041794), (372, 57137220), (378, 56230280), (411, 51715440), (420, 50607252), (432, 49201495), (434, 48974760), (465, 45709776), (496, 42852915), (504, 42172710), (540, 39361196), (548, 38786580), (558, 38091480), (560, 37955439), (620, 34282332), (630, 33738168), (651, 32649840), (662, 32107320), (685, 31029264), (720, 29520897), (744, 28568610), (756, 28115140), (822, 25857720), (837, 25394320), (840, 25303626), (868, 24487380), (930, 22854888), (945, 22492112), (959, 22163760), (993, 21404880), (1008, 21086355), (1080, 19680598), (1085, 19589904), (1096, 19393290), (1116, 19045740), (1233, 17238480), (1240, 17141166), (1260, 16869084), (1302, 16324920), (1324, 16053660), (1370, 15514632), (1395, 15236592), (1488, 14284305), (1512, 14057570), (1644, 12928860), (1655, 12842928), (1674, 12697160), (1680, 12651813), (1736, 12243690), (1860, 11427444), (1890, 11246056), (1918, 11081880), (1953, 10883280), (1986, 10702440), (2055, 10343088), (2160, 9840299), (2170, 9794952), (2192, 9696645), (2232, 9522870), (2317, 9173520), (2466, 8619240), (2480, 8570583), (2520, 8434542), (2604, 8162460), (2648, 8026830), (2740, 7757316), (2790, 7618296), (2877, 7387920), (2979, 7134960), (3024, 7028785), (3255, 6529968), (3288, 6464430), (3310, 6421464), (3348, 6348580), (3472, 6121845), (3699, 5746160), (3720, 5713722), (3780, 5623028), (3836, 5540940), (3906, 5441640), (3972, 5351220), (4110, 5171544), (4185, 5078864), (4247, 5004720), (4340, 4897476), (4464, 4761435), (4634, 4586760), (4795, 4432752), (4932, 4309620), (4965, 4280976), (5040, 4217271), (5208, 4081230), (5296, 4013415), (5480, 3878658), (5580, 3809148), (5754, 3693960), (5859, 3627760), (5958, 3567480), (6165, 3447696), (6510, 3264984), (6576, 3232215), (6620, 3210732), (6696, 3174290), (6951, 3057840), (7398, 2873080), (7440, 2856861), (7560, 2811514), (7672, 2770470), (7812, 2720820), (7944, 2675610), (8220, 2585772), (8370, 2539432), (8494, 2502360), (8631, 2462640), (8680, 2448738), (8937, 2378320), (9268, 2293380), (9590, 2216376), (9765, 2176656), (9864, 2154810), (9930, 2140488), (10261, 2071440), (10416, 2040615), (10960, 1939329), (11160, 1904574), (11508, 1846980), (11585, 1834704), (11718, 1813880), (11916, 1783740), (12330, 1723848), (12741, 1668240), (13020, 1632492), (13240, 1605366), (13392, 1587145), (13902, 1528920), (14385, 1477584), (14796, 1436540), (14895, 1426992), (15120, 1405757), (15344, 1385235), (15624, 1360410), (15888, 1337805), (16440, 1292886), (16740, 1269716), (16988, 1251180), (17262, 1231320), (17360, 1224369), (17874, 1189160), (18495, 1149232), (18536, 1146690), (19180, 1108188), (19530, 1088328), (19728, 1077405), (19860, 1070244), (20522, 1035720), (20853, 1019280), (21235, 1000944), (22320, 952287), (23016, 923490), (23170, 917352), (23436, 906940), (23832, 891870), (24660, 861924), (25482, 834120), (25893, 820880), (26040, 816246), (26480, 802683), (27804, 764460), (28770, 738792), (29295, 725552), (29592, 718270), (29729, 714960), (29790, 713496), (30783, 690480), (31248, 680205), (32880, 646443), (33480, 634858), (33976, 625590), (34524, 615660), (34755, 611568), (35748, 594580), (36990, 574616), (37072, 573345), (38223, 556080), (38360, 554094), (39060, 544164), (39720, 535122), (41044, 517860), (41706, 509640), (42470, 500472), (43155, 492528), (44685, 475664), (45347, 468720), (46032, 461745), (46340, 458676), (46872, 453470), (47664, 445935), (49320, 430962), (50964, 417060), (51305, 414288), (51786, 410440), (52080, 408123), (55608, 382230), (57540, 369396), (58590, 362776), (59184, 359135), (59458, 357480), (59580, 356748), (61566, 345240), (62559, 339760), (63705, 333648), (66960, 317429), (67952, 312795), (69048, 307830), (69510, 305784), (71496, 297290), (71827, 295920), (73980, 287308), (76446, 278040), (76720, 277047), (78120, 272082), (79440, 267561), (82088, 258930), (83412, 254820), (84940, 250236), (86310, 246264), (89187, 238320), (89370, 237832), (90694, 234360), (92349, 230160), (92680, 229338), (93744, 226735), (98640, 215481), (101928, 208530), (102610, 207144), (103572, 205220), (104265, 203856), (111216, 191115), (114669, 185360), (115080, 184698), (117180, 181388), (118916, 178740), (119160, 178374), (123132, 172620), (125118, 169880), (127410, 166824), (129465, 164176), (136041, 156240), (138096, 153915), (139020, 152892), (142992, 148645), (143654, 147960)]