21042309120

素因数分解:

$2^{11}\times 3^1\times 5^1\times 7^3\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 384

約数和(自身を含む): 78545376000

約数和(自身を除く): 57503066880

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, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 686, 735, 768, 784, 840, 896, 960, 980, 1024, 1029, 1120, 1176, 1280, 1344, 1372, 1470, 1536, 1568, 1680, 1715, 1792, 1920, 1960, 1997, 2048, 2058, 2240, 2352, 2560, 2688, 2744, 2940, 3072, 3136, 3360, 3430, 3584, 3840, 3920, 3994, 4116, 4480, 4704, 5120, 5145, 5376, 5488, 5880, 5991, 6144, 6272, 6720, 6860, 7168, 7680, 7840, 7988, 8232, 8960, 9408, 9985, 10240, 10290, 10752, 10976, 11760, 11982, 12544, 13440, 13720, 13979, 14336, 15360, 15680, 15976, 16464, 17920, 18816, 19970, 20580, 21504, 21952, 23520, 23964, 25088, 26880, 27440, 27958, 29955, 30720, 31360, 31952, 32928, 35840, 37632, 39940, 41160, 41937, 43008, 43904, 47040, 47928, 50176, 53760, 54880, 55916, 59910, 62720, 63904, 65856, 69895, 71680, 75264, 79880, 82320, 83874, 87808, 94080, 95856, 97853, 100352, 107520, 109760, 111832, 119820, 125440, 127808, 131712, 139790, 150528, 159760, 164640, 167748, 175616, 188160, 191712, 195706, 209685, 215040, 219520, 223664, 239640, 250880, 255616, 263424, 279580, 293559, 301056, 319520, 329280, 335496, 351232, 376320, 383424, 391412, 419370, 439040, 447328, 479280, 489265, 501760, 511232, 526848, 559160, 587118, 639040, 658560, 670992, 684971, 702464, 752640, 766848, 782824, 838740, 878080, 894656, 958560, 978530, 1022464, 1053696, 1118320, 1174236, 1278080, 1317120, 1341984, 1369942, 1467795, 1505280, 1533696, 1565648, 1677480, 1756160, 1789312, 1917120, 1957060, 2044928, 2054913, 2107392, 2236640, 2348472, 2556160, 2634240, 2683968, 2739884, 2935590, 3067392, 3131296, 3354960, 3424855, 3512320, 3578624, 3834240, 3914120, 4089856, 4109826, 4473280, 4696944, 5112320, 5268480, 5367936, 5479768, 5871180, 6134784, 6262592, 6709920, 6849710, 7157248, 7668480, 7828240, 8219652, 8946560, 9393888, 10224640, 10274565, 10536960, 10735872, 10959536, 11742360, 12269568, 12525184, 13419840, 13699420, 14314496, 15336960, 15656480, 16439304, 17893120, 18787776, 20449280, 20549130, 21471744, 21919072, 23484720, 25050368, 26839680, 27398840, 28628992, 30673920, 31312960, 32878608, 35786240, 37575552, 41098260, 42943488, 43838144, 46969440, 50100736, 53679360, 54797680, 61347840, 62625920, 65757216, 71572480, 75151104, 82196520, 85886976, 87676288, 93938880, 100201472, 107358720, 109595360, 125251840, 131514432, 143144960, 150302208, 164393040, 175352576, 187877760, 200402944, 214717440, 219190720, 250503680, 263028864, 300604416, 328786080, 350705152, 375755520, 429434880, 438381440, 501007360, 526057728, 601208832, 657572160, 701410304, 751511040, 876762880, 1002014720, 1052115456, 1315144320, 1402820608, 1503022080, 1753525760, 2104230912, 2630288640, 3006044160, 3507051520, 4208461824, 5260577280, 7014103040, 10521154560, 21042309120]

約数ペア:

[(1, 21042309120), (2, 10521154560), (3, 7014103040), (4, 5260577280), (5, 4208461824), (6, 3507051520), (7, 3006044160), (8, 2630288640), (10, 2104230912), (12, 1753525760), (14, 1503022080), (15, 1402820608), (16, 1315144320), (20, 1052115456), (21, 1002014720), (24, 876762880), (28, 751511040), (30, 701410304), (32, 657572160), (35, 601208832), (40, 526057728), (42, 501007360), (48, 438381440), (49, 429434880), (56, 375755520), (60, 350705152), (64, 328786080), (70, 300604416), (80, 263028864), (84, 250503680), (96, 219190720), (98, 214717440), (105, 200402944), (112, 187877760), (120, 175352576), (128, 164393040), (140, 150302208), (147, 143144960), (160, 131514432), (168, 125251840), (192, 109595360), (196, 107358720), (210, 100201472), (224, 93938880), (240, 87676288), (245, 85886976), (256, 82196520), (280, 75151104), (294, 71572480), (320, 65757216), (336, 62625920), (343, 61347840), (384, 54797680), (392, 53679360), (420, 50100736), (448, 46969440), (480, 43838144), (490, 42943488), (512, 41098260), (560, 37575552), (588, 35786240), (640, 32878608), (672, 31312960), (686, 30673920), (735, 28628992), (768, 27398840), (784, 26839680), (840, 25050368), (896, 23484720), (960, 21919072), (980, 21471744), (1024, 20549130), (1029, 20449280), (1120, 18787776), (1176, 17893120), (1280, 16439304), (1344, 15656480), (1372, 15336960), (1470, 14314496), (1536, 13699420), (1568, 13419840), (1680, 12525184), (1715, 12269568), (1792, 11742360), (1920, 10959536), (1960, 10735872), (1997, 10536960), (2048, 10274565), (2058, 10224640), (2240, 9393888), (2352, 8946560), (2560, 8219652), (2688, 7828240), (2744, 7668480), (2940, 7157248), (3072, 6849710), (3136, 6709920), (3360, 6262592), (3430, 6134784), (3584, 5871180), (3840, 5479768), (3920, 5367936), (3994, 5268480), (4116, 5112320), (4480, 4696944), (4704, 4473280), (5120, 4109826), (5145, 4089856), (5376, 3914120), (5488, 3834240), (5880, 3578624), (5991, 3512320), (6144, 3424855), (6272, 3354960), (6720, 3131296), (6860, 3067392), (7168, 2935590), (7680, 2739884), (7840, 2683968), (7988, 2634240), (8232, 2556160), (8960, 2348472), (9408, 2236640), (9985, 2107392), (10240, 2054913), (10290, 2044928), (10752, 1957060), (10976, 1917120), (11760, 1789312), (11982, 1756160), (12544, 1677480), (13440, 1565648), (13720, 1533696), (13979, 1505280), (14336, 1467795), (15360, 1369942), (15680, 1341984), (15976, 1317120), (16464, 1278080), (17920, 1174236), (18816, 1118320), (19970, 1053696), (20580, 1022464), (21504, 978530), (21952, 958560), (23520, 894656), (23964, 878080), (25088, 838740), (26880, 782824), (27440, 766848), (27958, 752640), (29955, 702464), (30720, 684971), (31360, 670992), (31952, 658560), (32928, 639040), (35840, 587118), (37632, 559160), (39940, 526848), (41160, 511232), (41937, 501760), (43008, 489265), (43904, 479280), (47040, 447328), (47928, 439040), (50176, 419370), (53760, 391412), (54880, 383424), (55916, 376320), (59910, 351232), (62720, 335496), (63904, 329280), (65856, 319520), (69895, 301056), (71680, 293559), (75264, 279580), (79880, 263424), (82320, 255616), (83874, 250880), (87808, 239640), (94080, 223664), (95856, 219520), (97853, 215040), (100352, 209685), (107520, 195706), (109760, 191712), (111832, 188160), (119820, 175616), (125440, 167748), (127808, 164640), (131712, 159760), (139790, 150528)]