21489941760

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{631}}^1$

素因数の和:850

約数の個数: 432

約数和(自身を含む): 80407297152

約数和(自身を除く): 58917355392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 181, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 362, 384, 392, 420, 448, 480, 490, 543, 560, 588, 631, 640, 672, 724, 735, 768, 784, 840, 896, 905, 960, 980, 1086, 1120, 1176, 1262, 1267, 1280, 1344, 1448, 1470, 1568, 1680, 1792, 1810, 1893, 1920, 1960, 2172, 2240, 2352, 2524, 2534, 2688, 2715, 2896, 2940, 3136, 3155, 3360, 3620, 3786, 3801, 3840, 3920, 4344, 4417, 4480, 4704, 5048, 5068, 5376, 5430, 5792, 5880, 6272, 6310, 6335, 6720, 7240, 7572, 7602, 7840, 8688, 8834, 8869, 8960, 9408, 9465, 10096, 10136, 10860, 11584, 11760, 12544, 12620, 12670, 13251, 13440, 14480, 15144, 15204, 15680, 17376, 17668, 17738, 18816, 18930, 19005, 20192, 20272, 21720, 22085, 23168, 23520, 25240, 25340, 26502, 26607, 26880, 28960, 30288, 30408, 30919, 31360, 34752, 35336, 35476, 37632, 37860, 38010, 40384, 40544, 43440, 44170, 44345, 46336, 47040, 50480, 50680, 53004, 53214, 57920, 60576, 60816, 61838, 62720, 66255, 69504, 70672, 70952, 75720, 76020, 80768, 81088, 86880, 88340, 88690, 92757, 94080, 100960, 101360, 106008, 106428, 114211, 115840, 121152, 121632, 123676, 132510, 133035, 139008, 141344, 141904, 151440, 152040, 154595, 161536, 162176, 173760, 176680, 177380, 185514, 188160, 201920, 202720, 212016, 212856, 228422, 231680, 242304, 243264, 247352, 265020, 266070, 282688, 283808, 302880, 304080, 309190, 324352, 342633, 347520, 353360, 354760, 371028, 403840, 405440, 424032, 425712, 456844, 463785, 484608, 486528, 494704, 530040, 532140, 565376, 567616, 571055, 605760, 608160, 618380, 685266, 695040, 706720, 709520, 742056, 799477, 807680, 810880, 848064, 851424, 913688, 927570, 973056, 989408, 1060080, 1064280, 1130752, 1135232, 1142110, 1211520, 1216320, 1236760, 1370532, 1413440, 1419040, 1484112, 1598954, 1621760, 1696128, 1702848, 1713165, 1827376, 1855140, 1978816, 2120160, 2128560, 2270464, 2284220, 2398431, 2423040, 2432640, 2473520, 2741064, 2826880, 2838080, 2968224, 3197908, 3392256, 3405696, 3426330, 3654752, 3710280, 3957632, 3997385, 4240320, 4257120, 4568440, 4796862, 4865280, 4947040, 5482128, 5596339, 5653760, 5676160, 5936448, 6395816, 6811392, 6852660, 7309504, 7420560, 7915264, 7994770, 8480640, 8514240, 9136880, 9593724, 9894080, 10964256, 11192678, 11352320, 11872896, 11992155, 12791632, 13705320, 14619008, 14841120, 15989540, 16789017, 16961280, 17028480, 18273760, 19187448, 19788160, 21928512, 22385356, 23745792, 23984310, 25583264, 27410640, 27981695, 29238016, 29682240, 31979080, 33578034, 34056960, 36547520, 38374896, 39576320, 43857024, 44770712, 47968620, 51166528, 54821280, 55963390, 59364480, 63958160, 67156068, 73095040, 76749792, 83945085, 87714048, 89541424, 95937240, 102333056, 109642560, 111926780, 118728960, 127916320, 134312136, 146190080, 153499584, 167890170, 179082848, 191874480, 204666112, 219285120, 223853560, 255832640, 268624272, 306999168, 335780340, 358165696, 383748960, 438570240, 447707120, 511665280, 537248544, 613998336, 671560680, 716331392, 767497920, 895414240, 1023330560, 1074497088, 1343121360, 1432662784, 1534995840, 1790828480, 2148994176, 2686242720, 3069991680, 3581656960, 4297988352, 5372485440, 7163313920, 10744970880, 21489941760]

約数ペア:

[(1, 21489941760), (2, 10744970880), (3, 7163313920), (4, 5372485440), (5, 4297988352), (6, 3581656960), (7, 3069991680), (8, 2686242720), (10, 2148994176), (12, 1790828480), (14, 1534995840), (15, 1432662784), (16, 1343121360), (20, 1074497088), (21, 1023330560), (24, 895414240), (28, 767497920), (30, 716331392), (32, 671560680), (35, 613998336), (40, 537248544), (42, 511665280), (48, 447707120), (49, 438570240), (56, 383748960), (60, 358165696), (64, 335780340), (70, 306999168), (80, 268624272), (84, 255832640), (96, 223853560), (98, 219285120), (105, 204666112), (112, 191874480), (120, 179082848), (128, 167890170), (140, 153499584), (147, 146190080), (160, 134312136), (168, 127916320), (181, 118728960), (192, 111926780), (196, 109642560), (210, 102333056), (224, 95937240), (240, 89541424), (245, 87714048), (256, 83945085), (280, 76749792), (294, 73095040), (320, 67156068), (336, 63958160), (362, 59364480), (384, 55963390), (392, 54821280), (420, 51166528), (448, 47968620), (480, 44770712), (490, 43857024), (543, 39576320), (560, 38374896), (588, 36547520), (631, 34056960), (640, 33578034), (672, 31979080), (724, 29682240), (735, 29238016), (768, 27981695), (784, 27410640), (840, 25583264), (896, 23984310), (905, 23745792), (960, 22385356), (980, 21928512), (1086, 19788160), (1120, 19187448), (1176, 18273760), (1262, 17028480), (1267, 16961280), (1280, 16789017), (1344, 15989540), (1448, 14841120), (1470, 14619008), (1568, 13705320), (1680, 12791632), (1792, 11992155), (1810, 11872896), (1893, 11352320), (1920, 11192678), (1960, 10964256), (2172, 9894080), (2240, 9593724), (2352, 9136880), (2524, 8514240), (2534, 8480640), (2688, 7994770), (2715, 7915264), (2896, 7420560), (2940, 7309504), (3136, 6852660), (3155, 6811392), (3360, 6395816), (3620, 5936448), (3786, 5676160), (3801, 5653760), (3840, 5596339), (3920, 5482128), (4344, 4947040), (4417, 4865280), (4480, 4796862), (4704, 4568440), (5048, 4257120), (5068, 4240320), (5376, 3997385), (5430, 3957632), (5792, 3710280), (5880, 3654752), (6272, 3426330), (6310, 3405696), (6335, 3392256), (6720, 3197908), (7240, 2968224), (7572, 2838080), (7602, 2826880), (7840, 2741064), (8688, 2473520), (8834, 2432640), (8869, 2423040), (8960, 2398431), (9408, 2284220), (9465, 2270464), (10096, 2128560), (10136, 2120160), (10860, 1978816), (11584, 1855140), (11760, 1827376), (12544, 1713165), (12620, 1702848), (12670, 1696128), (13251, 1621760), (13440, 1598954), (14480, 1484112), (15144, 1419040), (15204, 1413440), (15680, 1370532), (17376, 1236760), (17668, 1216320), (17738, 1211520), (18816, 1142110), (18930, 1135232), (19005, 1130752), (20192, 1064280), (20272, 1060080), (21720, 989408), (22085, 973056), (23168, 927570), (23520, 913688), (25240, 851424), (25340, 848064), (26502, 810880), (26607, 807680), (26880, 799477), (28960, 742056), (30288, 709520), (30408, 706720), (30919, 695040), (31360, 685266), (34752, 618380), (35336, 608160), (35476, 605760), (37632, 571055), (37860, 567616), (38010, 565376), (40384, 532140), (40544, 530040), (43440, 494704), (44170, 486528), (44345, 484608), (46336, 463785), (47040, 456844), (50480, 425712), (50680, 424032), (53004, 405440), (53214, 403840), (57920, 371028), (60576, 354760), (60816, 353360), (61838, 347520), (62720, 342633), (66255, 324352), (69504, 309190), (70672, 304080), (70952, 302880), (75720, 283808), (76020, 282688), (80768, 266070), (81088, 265020), (86880, 247352), (88340, 243264), (88690, 242304), (92757, 231680), (94080, 228422), (100960, 212856), (101360, 212016), (106008, 202720), (106428, 201920), (114211, 188160), (115840, 185514), (121152, 177380), (121632, 176680), (123676, 173760), (132510, 162176), (133035, 161536), (139008, 154595), (141344, 152040), (141904, 151440)]