21021880320

素因数分解:

$2^{12}\times 3^3\times 5^1\times 7^1\times {\mathrm{5431}}^1$

素因数の和:5476

約数の個数: 416

約数和(自身を含む): 85427543040

約数和(自身を除く): 64405662720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1024, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1680, 1728, 1792, 1890, 1920, 2016, 2048, 2160, 2240, 2304, 2520, 2560, 2688, 2880, 3024, 3072, 3360, 3456, 3584, 3780, 3840, 4032, 4096, 4320, 4480, 4608, 5040, 5120, 5376, 5431, 5760, 6048, 6144, 6720, 6912, 7168, 7560, 7680, 8064, 8640, 8960, 9216, 10080, 10240, 10752, 10862, 11520, 12096, 12288, 13440, 13824, 14336, 15120, 15360, 16128, 16293, 17280, 17920, 18432, 20160, 20480, 21504, 21724, 23040, 24192, 26880, 27155, 27648, 28672, 30240, 30720, 32256, 32586, 34560, 35840, 36864, 38017, 40320, 43008, 43448, 46080, 48384, 48879, 53760, 54310, 55296, 60480, 61440, 64512, 65172, 69120, 71680, 76034, 80640, 81465, 86016, 86896, 92160, 96768, 97758, 107520, 108620, 110592, 114051, 120960, 129024, 130344, 138240, 143360, 146637, 152068, 161280, 162930, 173792, 184320, 190085, 193536, 195516, 215040, 217240, 228102, 241920, 244395, 258048, 260688, 276480, 293274, 304136, 322560, 325860, 342153, 347584, 380170, 387072, 391032, 430080, 434480, 456204, 483840, 488790, 521376, 552960, 570255, 586548, 608272, 645120, 651720, 684306, 695168, 733185, 760340, 774144, 782064, 868960, 912408, 967680, 977580, 1026459, 1042752, 1140510, 1173096, 1216544, 1290240, 1303440, 1368612, 1390336, 1466370, 1520680, 1564128, 1710765, 1737920, 1824816, 1935360, 1955160, 2052918, 2085504, 2281020, 2346192, 2433088, 2606880, 2737224, 2780672, 2932740, 3041360, 3128256, 3421530, 3475840, 3649632, 3870720, 3910320, 4105836, 4171008, 4562040, 4692384, 4866176, 5132295, 5213760, 5474448, 5561344, 5865480, 6082720, 6256512, 6843060, 6951680, 7299264, 7820640, 8211672, 8342016, 9124080, 9384768, 9732352, 10264590, 10427520, 10948896, 11122688, 11730960, 12165440, 12513024, 13686120, 13903360, 14598528, 15641280, 16423344, 16684032, 18248160, 18769536, 19464704, 20529180, 20855040, 21897792, 22245376, 23461920, 24330880, 25026048, 27372240, 27806720, 29197056, 31282560, 32846688, 33368064, 36496320, 37539072, 38929408, 41058360, 41710080, 43795584, 46923840, 48661760, 50052096, 54744480, 55613440, 58394112, 62565120, 65693376, 66736128, 72992640, 75078144, 77858816, 82116720, 83420160, 87591168, 93847680, 97323520, 100104192, 109488960, 111226880, 116788224, 125130240, 131386752, 145985280, 150156288, 155717632, 164233440, 166840320, 175182336, 187695360, 194647040, 200208384, 218977920, 233576448, 250260480, 262773504, 291970560, 300312576, 328466880, 333680640, 350364672, 375390720, 389294080, 437955840, 467152896, 500520960, 525547008, 583941120, 600625152, 656933760, 700729344, 750781440, 778588160, 875911680, 1001041920, 1051094016, 1167882240, 1313867520, 1401458688, 1501562880, 1751823360, 2102188032, 2335764480, 2627735040, 3003125760, 3503646720, 4204376064, 5255470080, 7007293440, 10510940160, 21021880320]

約数ペア:

[(1, 21021880320), (2, 10510940160), (3, 7007293440), (4, 5255470080), (5, 4204376064), (6, 3503646720), (7, 3003125760), (8, 2627735040), (9, 2335764480), (10, 2102188032), (12, 1751823360), (14, 1501562880), (15, 1401458688), (16, 1313867520), (18, 1167882240), (20, 1051094016), (21, 1001041920), (24, 875911680), (27, 778588160), (28, 750781440), (30, 700729344), (32, 656933760), (35, 600625152), (36, 583941120), (40, 525547008), (42, 500520960), (45, 467152896), (48, 437955840), (54, 389294080), (56, 375390720), (60, 350364672), (63, 333680640), (64, 328466880), (70, 300312576), (72, 291970560), (80, 262773504), (84, 250260480), (90, 233576448), (96, 218977920), (105, 200208384), (108, 194647040), (112, 187695360), (120, 175182336), (126, 166840320), (128, 164233440), (135, 155717632), (140, 150156288), (144, 145985280), (160, 131386752), (168, 125130240), (180, 116788224), (189, 111226880), (192, 109488960), (210, 100104192), (216, 97323520), (224, 93847680), (240, 87591168), (252, 83420160), (256, 82116720), (270, 77858816), (280, 75078144), (288, 72992640), (315, 66736128), (320, 65693376), (336, 62565120), (360, 58394112), (378, 55613440), (384, 54744480), (420, 50052096), (432, 48661760), (448, 46923840), (480, 43795584), (504, 41710080), (512, 41058360), (540, 38929408), (560, 37539072), (576, 36496320), (630, 33368064), (640, 32846688), (672, 31282560), (720, 29197056), (756, 27806720), (768, 27372240), (840, 25026048), (864, 24330880), (896, 23461920), (945, 22245376), (960, 21897792), (1008, 20855040), (1024, 20529180), (1080, 19464704), (1120, 18769536), (1152, 18248160), (1260, 16684032), (1280, 16423344), (1344, 15641280), (1440, 14598528), (1512, 13903360), (1536, 13686120), (1680, 12513024), (1728, 12165440), (1792, 11730960), (1890, 11122688), (1920, 10948896), (2016, 10427520), (2048, 10264590), (2160, 9732352), (2240, 9384768), (2304, 9124080), (2520, 8342016), (2560, 8211672), (2688, 7820640), (2880, 7299264), (3024, 6951680), (3072, 6843060), (3360, 6256512), (3456, 6082720), (3584, 5865480), (3780, 5561344), (3840, 5474448), (4032, 5213760), (4096, 5132295), (4320, 4866176), (4480, 4692384), (4608, 4562040), (5040, 4171008), (5120, 4105836), (5376, 3910320), (5431, 3870720), (5760, 3649632), (6048, 3475840), (6144, 3421530), (6720, 3128256), (6912, 3041360), (7168, 2932740), (7560, 2780672), (7680, 2737224), (8064, 2606880), (8640, 2433088), (8960, 2346192), (9216, 2281020), (10080, 2085504), (10240, 2052918), (10752, 1955160), (10862, 1935360), (11520, 1824816), (12096, 1737920), (12288, 1710765), (13440, 1564128), (13824, 1520680), (14336, 1466370), (15120, 1390336), (15360, 1368612), (16128, 1303440), (16293, 1290240), (17280, 1216544), (17920, 1173096), (18432, 1140510), (20160, 1042752), (20480, 1026459), (21504, 977580), (21724, 967680), (23040, 912408), (24192, 868960), (26880, 782064), (27155, 774144), (27648, 760340), (28672, 733185), (30240, 695168), (30720, 684306), (32256, 651720), (32586, 645120), (34560, 608272), (35840, 586548), (36864, 570255), (38017, 552960), (40320, 521376), (43008, 488790), (43448, 483840), (46080, 456204), (48384, 434480), (48879, 430080), (53760, 391032), (54310, 387072), (55296, 380170), (60480, 347584), (61440, 342153), (64512, 325860), (65172, 322560), (69120, 304136), (71680, 293274), (76034, 276480), (80640, 260688), (81465, 258048), (86016, 244395), (86896, 241920), (92160, 228102), (96768, 217240), (97758, 215040), (107520, 195516), (108620, 193536), (110592, 190085), (114051, 184320), (120960, 173792), (129024, 162930), (130344, 161280), (138240, 152068), (143360, 146637)]