21408468480

素因数分解:

$2^9\times 3^4\times 5^1\times 7^4\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 1000

約数和(自身を含む): 91533072312

約数和(自身を除く): 70124603832

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, 43, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 86, 90, 96, 98, 105, 108, 112, 120, 126, 128, 129, 135, 140, 144, 147, 160, 162, 168, 172, 180, 189, 192, 196, 210, 215, 216, 224, 240, 245, 252, 256, 258, 270, 280, 288, 294, 301, 315, 320, 324, 336, 343, 344, 360, 378, 384, 387, 392, 405, 420, 430, 432, 441, 448, 480, 490, 504, 512, 516, 540, 560, 567, 576, 588, 602, 630, 640, 645, 648, 672, 686, 688, 720, 735, 756, 768, 774, 784, 810, 840, 860, 864, 882, 896, 903, 945, 960, 980, 1008, 1029, 1032, 1080, 1120, 1134, 1152, 1161, 1176, 1204, 1260, 1280, 1290, 1296, 1323, 1344, 1372, 1376, 1440, 1470, 1505, 1512, 1536, 1548, 1568, 1620, 1680, 1715, 1720, 1728, 1764, 1792, 1806, 1890, 1920, 1935, 1960, 2016, 2058, 2064, 2107, 2160, 2205, 2240, 2268, 2304, 2322, 2352, 2401, 2408, 2520, 2560, 2580, 2592, 2646, 2688, 2709, 2744, 2752, 2835, 2880, 2940, 3010, 3024, 3087, 3096, 3136, 3240, 3360, 3430, 3440, 3456, 3483, 3528, 3584, 3612, 3780, 3840, 3870, 3920, 3969, 4032, 4116, 4128, 4214, 4320, 4410, 4480, 4515, 4536, 4608, 4644, 4704, 4802, 4816, 5040, 5145, 5160, 5184, 5292, 5376, 5418, 5488, 5504, 5670, 5760, 5805, 5880, 6020, 6048, 6174, 6192, 6272, 6321, 6480, 6615, 6720, 6860, 6880, 6912, 6966, 7056, 7203, 7224, 7560, 7680, 7740, 7840, 7938, 8064, 8127, 8232, 8256, 8428, 8640, 8820, 8960, 9030, 9072, 9261, 9288, 9408, 9604, 9632, 10080, 10290, 10320, 10368, 10535, 10584, 10752, 10836, 10976, 11008, 11340, 11520, 11610, 11760, 12005, 12040, 12096, 12348, 12384, 12544, 12642, 12960, 13230, 13440, 13545, 13720, 13760, 13824, 13932, 14112, 14406, 14448, 14749, 15120, 15435, 15480, 15680, 15876, 16128, 16254, 16464, 16512, 16856, 17280, 17415, 17640, 17920, 18060, 18144, 18522, 18576, 18816, 18963, 19208, 19264, 19845, 20160, 20580, 20640, 20736, 21070, 21168, 21609, 21672, 21952, 22016, 22680, 23040, 23220, 23520, 24010, 24080, 24192, 24381, 24696, 24768, 25088, 25284, 25920, 26460, 26880, 27090, 27440, 27520, 27783, 27864, 28224, 28812, 28896, 29498, 30240, 30870, 30960, 31360, 31605, 31752, 32256, 32508, 32928, 33024, 33712, 34560, 34830, 35280, 36015, 36120, 36288, 37044, 37152, 37632, 37926, 38416, 38528, 39690, 40320, 40635, 41160, 41280, 41472, 42140, 42336, 43218, 43344, 43904, 44247, 45360, 46305, 46440, 47040, 48020, 48160, 48384, 48762, 49392, 49536, 50568, 51840, 52920, 53760, 54180, 54880, 55040, 55566, 55728, 56448, 56889, 57624, 57792, 58996, 60480, 61740, 61920, 62720, 63210, 63504, 64827, 65016, 65856, 66048, 67424, 69120, 69660, 70560, 72030, 72240, 72576, 73745, 74088, 74304, 75264, 75852, 76832, 77056, 79380, 80640, 81270, 82320, 82560, 84280, 84672, 86436, 86688, 87808, 88494, 90720, 92610, 92880, 94080, 94815, 96040, 96320, 96768, 97524, 98784, 99072, 101136, 103243, 103680, 105840, 108045, 108360, 109760, 110080, 111132, 111456, 112896, 113778, 115248, 115584, 117992, 120960, 121905, 123480, 123840, 125440, 126420, 127008, 129654, 130032, 131712, 132741, 134848, 138915, 139320, 141120, 144060, 144480, 145152, 147490, 148176, 148608, 151704, 153664, 154112, 158760, 161280, 162540, 164640, 165120, 168560, 169344, 170667, 172872, 173376, 175616, 176988, 181440, 185220, 185760, 188160, 189630, 192080, 192640, 194481, 195048, 197568, 198144, 202272, 206486, 207360, 211680, 216090, 216720, 219520, 221235, 222264, 222912, 225792, 227556, 230496, 231168, 235984, 241920, 243810, 246960, 247680, 252840, 254016, 259308, 260064, 263424, 265482, 269696, 277830, 278640, 282240, 284445, 288120, 288960, 290304, 294980, 296352, 297216, 303408, 307328, 309729, 317520, 324135, 325080, 329280, 330240, 337120, 338688, 341334, 345744, 346752, 353976, 362880, 370440, 371520, 376320, 379260, 384160, 385280, 388962, 390096, 395136, 398223, 404544, 412972, 423360, 432180, 433440, 439040, 442470, 444528, 445824, 455112, 460992, 462336, 471968, 483840, 487620, 493920, 495360, 505680, 508032, 516215, 518616, 520128, 526848, 530964, 539392, 555660, 557280, 564480, 568890, 576240, 577920, 589960, 592704, 594432, 606816, 614656, 619458, 635040, 648270, 650160, 658560, 663705, 674240, 677376, 682668, 691488, 693504, 707952, 725760, 740880, 743040, 758520, 768320, 770560, 777924, 780192, 790272, 796446, 809088, 825944, 846720, 853335, 864360, 866880, 878080, 884940, 889056, 891648, 910224, 921984, 929187, 943936, 972405, 975240, 987840, 990720, 1011360, 1016064, 1032430, 1037232, 1040256, 1061928, 1078784, 1111320, 1114560, 1128960, 1137780, 1152480, 1155840, 1179920, 1185408, 1194669, 1213632, 1229312, 1238916, 1270080, 1296540, 1300320, 1317120, 1327410, 1348480, 1365336, 1382976, 1387008, 1415904, 1451520, 1481760, 1486080, 1517040, 1536640, 1548645, 1555848, 1560384, 1580544, 1592892, 1618176, 1651888, 1693440, 1706670, 1728720, 1733760, 1769880, 1778112, 1783296, 1820448, 1843968, 1858374, 1887872, 1944810, 1950480, 1975680, 1991115, 2022720, 2032128, 2064860, 2074464, 2080512, 2123856, 2222640, 2229120, 2275560, 2304960, 2311680, 2359840, 2370816, 2389338, 2427264, 2477832, 2540160, 2593080, 2600640, 2634240, 2654820, 2696960, 2730672, 2765952, 2787561, 2831808, 2963520, 2972160, 3034080, 3073280, 3097290, 3111696, 3120768, 3185784, 3236352, 3303776, 3386880, 3413340, 3457440, 3467520, 3539760, 3556224, 3640896, 3687936, 3716748, 3775744, 3889620, 3900960, 3951360, 3982230, 4045440, 4129720, 4148928, 4161024, 4247712, 4445280, 4458240, 4551120, 4609920, 4645935, 4719680, 4741632, 4778676, 4854528, 4955664, 5080320, 5186160, 5201280, 5309640, 5393920, 5461344, 5531904, 5575122, 5663616, 5927040, 5973345, 6068160, 6146560, 6194580, 6223392, 6241536, 6371568, 6607552, 6826680, 6914880, 6935040, 7079520, 7112448, 7281792, 7433496, 7551488, 7779240, 7801920, 7902720, 7964460, 8090880, 8259440, 8297856, 8362683, 8495424, 8890560, 8916480, 9102240, 9219840, 9291870, 9439360, 9557352, 9709056, 9911328, 10160640, 10372320, 10402560, 10619280, 10922688, 11063808, 11150244, 11327232, 11854080, 11946690, 12136320, 12389160, 12446784, 12483072, 12743136, 13215104, 13653360, 13829760, 13937805, 14159040, 14224896, 14563584, 14866992, 15558480, 15603840, 15928920, 16181760, 16518880, 16595712, 16725366, 16990848, 17781120, 18204480, 18439680, 18583740, 18878720, 19114704, 19822656, 20744640, 20805120, 21238560, 21845376, 22300488, 22654464, 23708160, 23893380, 24272640, 24778320, 24893568, 25486272, 26430208, 27306720, 27659520, 27875610, 28318080, 29127168, 29733984, 31116960, 31207680, 31857840, 33037760, 33191424, 33450732, 33981696, 35562240, 36408960, 37167480, 37757440, 38229408, 39645312, 41489280, 41813415, 42477120, 43690752, 44600976, 47786760, 48545280, 49556640, 49787136, 50972544, 52860416, 54613440, 55319040, 55751220, 56636160, 59467968, 62233920, 62415360, 63715680, 66075520, 66901464, 67963392, 71124480, 72817920, 74334960, 76458816, 79290624, 82978560, 83626830, 84954240, 87381504, 89201952, 95573520, 99113280, 99574272, 101945088, 109226880, 111502440, 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約数ペア:

[(1, 21408468480), (2, 10704234240), (3, 7136156160), (4, 5352117120), (5, 4281693696), (6, 3568078080), (7, 3058352640), (8, 2676058560), (9, 2378718720), (10, 2140846848), (12, 1784039040), (14, 1529176320), (15, 1427231232), (16, 1338029280), (18, 1189359360), (20, 1070423424), (21, 1019450880), (24, 892019520), (27, 792906240), (28, 764588160), (30, 713615616), (32, 669014640), (35, 611670528), (36, 594679680), (40, 535211712), (42, 509725440), (43, 497871360), (45, 475743744), (48, 446009760), (49, 436907520), (54, 396453120), (56, 382294080), (60, 356807808), (63, 339816960), (64, 334507320), (70, 305835264), (72, 297339840), (80, 267605856), (81, 264302080), (84, 254862720), (86, 248935680), (90, 237871872), (96, 223004880), (98, 218453760), (105, 203890176), (108, 198226560), (112, 191147040), (120, 178403904), (126, 169908480), (128, 167253660), (129, 165957120), (135, 158581248), (140, 152917632), (144, 148669920), (147, 145635840), (160, 133802928), (162, 132151040), (168, 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27875610), (774, 27659520), (784, 27306720), (810, 26430208), (840, 25486272), (860, 24893568), (864, 24778320), (882, 24272640), (896, 23893380), (903, 23708160), (945, 22654464), (960, 22300488), (980, 21845376), (1008, 21238560), (1029, 20805120), (1032, 20744640), (1080, 19822656), (1120, 19114704), (1134, 18878720), (1152, 18583740), (1161, 18439680), (1176, 18204480), (1204, 17781120), (1260, 16990848), (1280, 16725366), (1290, 16595712), (1296, 16518880), (1323, 16181760), (1344, 15928920), (1372, 15603840), (1376, 15558480), (1440, 14866992), (1470, 14563584), (1505, 14224896), (1512, 14159040), (1536, 13937805), (1548, 13829760), (1568, 13653360), (1620, 13215104), (1680, 12743136), (1715, 12483072), (1720, 12446784), (1728, 12389160), (1764, 12136320), (1792, 11946690), (1806, 11854080), (1890, 11327232), (1920, 11150244), (1935, 11063808), (1960, 10922688), (2016, 10619280), (2058, 10402560), (2064, 10372320), (2107, 10160640), (2160, 9911328), (2205, 9709056), (2240, 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(5488, 3900960), (5504, 3889620), (5670, 3775744), (5760, 3716748), (5805, 3687936), (5880, 3640896), (6020, 3556224), (6048, 3539760), (6174, 3467520), (6192, 3457440), (6272, 3413340), (6321, 3386880), (6480, 3303776), (6615, 3236352), (6720, 3185784), (6860, 3120768), (6880, 3111696), (6912, 3097290), (6966, 3073280), (7056, 3034080), (7203, 2972160), (7224, 2963520), (7560, 2831808), (7680, 2787561), (7740, 2765952), (7840, 2730672), (7938, 2696960), (8064, 2654820), (8127, 2634240), (8232, 2600640), (8256, 2593080), (8428, 2540160), (8640, 2477832), (8820, 2427264), (8960, 2389338), (9030, 2370816), (9072, 2359840), (9261, 2311680), (9288, 2304960), (9408, 2275560), (9604, 2229120), (9632, 2222640), (10080, 2123856), (10290, 2080512), (10320, 2074464), (10368, 2064860), (10535, 2032128), (10584, 2022720), (10752, 1991115), (10836, 1975680), (10976, 1950480), (11008, 1944810), (11340, 1887872), (11520, 1858374), (11610, 1843968), (11760, 1820448), (12005, 1783296), (12040, 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(48160, 444528), (48384, 442470), (48762, 439040), (49392, 433440), (49536, 432180), (50568, 423360), (51840, 412972), (52920, 404544), (53760, 398223), (54180, 395136), (54880, 390096), (55040, 388962), (55566, 385280), (55728, 384160), (56448, 379260), (56889, 376320), (57624, 371520), (57792, 370440), (58996, 362880), (60480, 353976), (61740, 346752), (61920, 345744), (62720, 341334), (63210, 338688), (63504, 337120), (64827, 330240), (65016, 329280), (65856, 325080), (66048, 324135), (67424, 317520), (69120, 309729), (69660, 307328), (70560, 303408), (72030, 297216), (72240, 296352), (72576, 294980), (73745, 290304), (74088, 288960), (74304, 288120), (75264, 284445), (75852, 282240), (76832, 278640), (77056, 277830), (79380, 269696), (80640, 265482), (81270, 263424), (82320, 260064), (82560, 259308), (84280, 254016), (84672, 252840), (86436, 247680), (86688, 246960), (87808, 243810), (88494, 241920), (90720, 235984), (92610, 231168), (92880, 230496), (94080, 227556), (94815, 225792), (96040, 222912), (96320, 222264), (96768, 221235), (97524, 219520), (98784, 216720), (99072, 216090), (101136, 211680), (103243, 207360), (103680, 206486), (105840, 202272), (108045, 198144), (108360, 197568), (109760, 195048), (110080, 194481), (111132, 192640), (111456, 192080), (112896, 189630), (113778, 188160), (115248, 185760), (115584, 185220), (117992, 181440), (120960, 176988), (121905, 175616), (123480, 173376), (123840, 172872), (125440, 170667), (126420, 169344), (127008, 168560), (129654, 165120), (130032, 164640), (131712, 162540), (132741, 161280), (134848, 158760), (138915, 154112), (139320, 153664), (141120, 151704), (144060, 148608), (144480, 148176), (145152, 147490)]