21000021120

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 1152

約数和(自身を含む): 88055735040

約数和(自身を除く): 67055713920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 47, 48, 51, 52, 54, 60, 64, 65, 68, 72, 78, 80, 81, 85, 90, 94, 96, 102, 104, 108, 117, 120, 128, 130, 135, 136, 141, 144, 153, 156, 160, 162, 169, 170, 180, 188, 192, 195, 204, 208, 216, 221, 234, 235, 240, 243, 255, 260, 270, 272, 282, 288, 306, 312, 320, 324, 338, 340, 351, 360, 376, 384, 390, 405, 408, 416, 423, 432, 442, 459, 468, 470, 480, 486, 507, 510, 520, 540, 544, 564, 576, 585, 611, 612, 624, 640, 648, 663, 676, 680, 702, 705, 720, 752, 765, 780, 799, 810, 816, 832, 845, 846, 864, 884, 918, 936, 940, 960, 972, 1014, 1020, 1040, 1053, 1080, 1088, 1105, 1128, 1152, 1170, 1215, 1222, 1224, 1248, 1269, 1296, 1326, 1352, 1360, 1377, 1404, 1410, 1440, 1504, 1521, 1530, 1560, 1598, 1620, 1632, 1664, 1690, 1692, 1728, 1755, 1768, 1833, 1836, 1872, 1880, 1920, 1944, 1989, 2028, 2040, 2080, 2106, 2115, 2160, 2176, 2210, 2256, 2295, 2340, 2397, 2430, 2444, 2448, 2496, 2535, 2538, 2592, 2652, 2704, 2720, 2754, 2808, 2820, 2873, 2880, 3008, 3042, 3055, 3060, 3120, 3159, 3196, 3240, 3264, 3315, 3380, 3384, 3456, 3510, 3536, 3666, 3672, 3744, 3760, 3807, 3888, 3978, 3995, 4056, 4080, 4131, 4160, 4212, 4230, 4320, 4420, 4512, 4563, 4590, 4680, 4794, 4860, 4888, 4896, 4992, 5070, 5076, 5184, 5265, 5304, 5408, 5440, 5499, 5508, 5616, 5640, 5746, 5760, 5967, 6016, 6084, 6110, 6120, 6240, 6318, 6345, 6392, 6480, 6528, 6630, 6760, 6768, 6885, 7020, 7072, 7191, 7332, 7344, 7488, 7520, 7605, 7614, 7776, 7943, 7956, 7990, 8112, 8160, 8262, 8320, 8424, 8460, 8619, 8640, 8840, 9024, 9126, 9165, 9180, 9360, 9588, 9720, 9776, 9792, 9945, 10140, 10152, 10368, 10387, 10530, 10608, 10816, 10880, 10998, 11016, 11232, 11280, 11421, 11492, 11934, 11985, 12168, 12220, 12240, 12480, 12636, 12690, 12784, 12960, 13260, 13520, 13536, 13689, 13770, 14040, 14144, 14365, 14382, 14664, 14688, 14976, 15040, 15210, 15228, 15552, 15795, 15886, 15912, 15980, 16224, 16320, 16497, 16524, 16848, 16920, 17238, 17280, 17680, 17901, 18048, 18252, 18330, 18360, 18720, 19035, 19176, 19440, 19552, 19584, 19890, 20280, 20304, 20655, 20774, 21060, 21216, 21573, 21632, 21996, 22032, 22464, 22560, 22815, 22842, 22984, 23829, 23868, 23970, 24336, 24440, 24480, 24960, 25272, 25380, 25568, 25857, 25920, 26520, 27040, 27072, 27378, 27495, 27540, 28080, 28288, 28730, 28764, 29328, 29376, 29835, 30080, 30420, 30456, 31104, 31161, 31590, 31772, 31824, 31960, 32448, 32640, 32994, 33048, 33696, 33840, 34476, 35360, 35802, 35955, 36504, 36660, 36720, 37440, 38070, 38352, 38880, 39104, 39715, 39780, 40560, 40608, 41067, 41310, 41548, 42120, 42432, 43095, 43146, 43992, 44064, 44928, 45120, 45630, 45684, 45968, 47658, 47736, 47940, 48672, 48880, 48960, 49491, 50544, 50760, 51136, 51714, 51840, 51935, 53040, 53703, 54080, 54144, 54756, 54990, 55080, 56160, 57105, 57460, 57528, 58656, 58752, 59670, 60840, 60912, 62322, 63180, 63544, 63648, 63920, 64719, 64896, 65988, 66096, 67392, 67680, 68445, 68952, 70720, 71487, 71604, 71910, 73008, 73320, 73440, 74880, 76140, 76704, 77571, 77760, 78208, 79430, 79560, 81120, 81216, 82134, 82485, 82620, 83096, 84240, 84864, 86190, 86292, 87984, 88128, 89505, 90240, 91260, 91368, 91936, 93483, 95316, 95472, 95880, 97344, 97760, 97920, 98982, 101088, 101520, 102272, 103428, 103870, 106080, 107406, 107865, 108160, 109512, 109980, 110160, 112320, 114210, 114920, 115056, 117312, 119145, 119340, 121680, 121824, 124644, 126360, 127088, 127296, 127840, 129285, 129438, 131976, 132192, 134784, 135031, 135360, 136890, 137904, 141440, 142974, 143208, 143820, 146016, 146640, 146880, 148473, 152280, 153408, 155142, 155520, 155805, 158860, 159120, 162240, 162432, 164268, 164970, 165240, 166192, 168480, 172380, 172584, 175968, 176256, 179010, 182520, 182736, 183872, 186966, 190632, 190944, 191760, 194157, 194688, 195520, 197964, 202176, 203040, 205335, 206856, 207740, 212160, 214461, 214812, 215730, 219024, 219960, 220320, 224640, 228420, 229840, 230112, 232713, 234624, 238290, 238680, 243360, 243648, 247455, 249288, 252720, 254176, 254592, 255680, 258570, 258876, 263952, 264384, 268515, 270062, 270720, 273780, 275808, 280449, 285948, 286416, 287640, 292032, 293280, 293760, 296946, 304560, 306816, 310284, 311610, 317720, 318240, 323595, 324480, 328536, 329940, 330480, 332384, 336960, 344760, 345168, 351936, 357435, 358020, 365040, 365472, 367744, 373932, 381264, 381888, 383520, 387855, 388314, 391040, 395928, 404352, 405093, 406080, 410670, 413712, 415480, 424320, 428922, 429624, 431460, 438048, 439920, 440640, 456840, 459680, 460224, 465426, 467415, 476580, 477360, 486720, 487296, 494910, 498576, 505440, 508352, 511360, 517140, 517752, 527904, 528768, 537030, 540124, 547560, 551616, 560898, 571896, 572832, 575280, 584064, 586560, 593892, 609120, 620568, 623220, 635440, 636480, 643383, 647190, 657072, 659880, 660960, 664768, 673920, 675155, 689520, 690336, 698139, 703872, 714870, 716040, 730080, 730944, 742365, 747864, 762528, 763776, 767040, 775710, 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77777856, 80769312, 82353024, 86419840, 87500088, 89361792, 89743680, 95022720, 97222320, 100961640, 102941280, 107692416, 109375110, 111702240, 116666784, 123529536, 124260480, 129629760, 131250132, 134615520, 137255040, 145833480, 148936320, 154411920, 155555712, 161538624, 164062665, 175000176, 179487360, 194444640, 201923280, 205882560, 218750220, 223404480, 233333568, 247059072, 259259520, 262500264, 269231040, 291666960, 308823840, 323077248, 328125330, 350000352, 388889280, 403846560, 411765120, 437500440, 446808960, 466667136, 525000528, 538462080, 583333920, 617647680, 656250660, 700000704, 777778560, 807693120, 875000880, 1050001056, 1166667840, 1235295360, 1312501320, 1400001408, 1615386240, 1750001760, 2100002112, 2333335680, 2625002640, 3500003520, 4200004224, 5250005280, 7000007040, 10500010560, 21000021120]

約数ペア:

[(1, 21000021120), (2, 10500010560), (3, 7000007040), (4, 5250005280), (5, 4200004224), (6, 3500003520), (8, 2625002640), (9, 2333335680), (10, 2100002112), (12, 1750001760), (13, 1615386240), (15, 1400001408), (16, 1312501320), (17, 1235295360), (18, 1166667840), (20, 1050001056), (24, 875000880), (26, 807693120), (27, 777778560), (30, 700000704), (32, 656250660), (34, 617647680), (36, 583333920), (39, 538462080), (40, 525000528), (45, 466667136), (47, 446808960), (48, 437500440), (51, 411765120), (52, 403846560), (54, 388889280), (60, 350000352), (64, 328125330), (65, 323077248), (68, 308823840), (72, 291666960), (78, 269231040), (80, 262500264), (81, 259259520), (85, 247059072), (90, 233333568), (94, 223404480), (96, 218750220), (102, 205882560), (104, 201923280), (108, 194444640), (117, 179487360), (120, 175000176), (128, 164062665), (130, 161538624), (135, 155555712), (136, 154411920), (141, 148936320), (144, 145833480), (153, 137255040), (156, 134615520), (160, 131250132), (162, 129629760), (169, 124260480), (170, 123529536), (180, 116666784), (188, 111702240), (192, 109375110), (195, 107692416), (204, 102941280), (208, 100961640), (216, 97222320), (221, 95022720), (234, 89743680), (235, 89361792), (240, 87500088), (243, 86419840), (255, 82353024), (260, 80769312), (270, 77777856), (272, 77205960), (282, 74468160), (288, 72916740), (306, 68627520), (312, 67307760), (320, 65625066), (324, 64814880), (338, 62130240), (340, 61764768), (351, 59829120), (360, 58333392), (376, 55851120), (384, 54687555), (390, 53846208), (405, 51851904), (408, 51470640), (416, 50480820), (423, 49645440), (432, 48611160), (442, 47511360), (459, 45751680), (468, 44871840), (470, 44680896), (480, 43750044), (486, 43209920), (507, 41420160), (510, 41176512), (520, 40384656), (540, 38888928), (544, 38602980), (564, 37234080), (576, 36458370), (585, 35897472), (611, 34369920), (612, 34313760), (624, 33653880), (640, 32812533), (648, 32407440), (663, 31674240), (676, 31065120), (680, 30882384), (702, 29914560), (705, 29787264), (720, 29166696), (752, 27925560), (765, 27451008), (780, 26923104), (799, 26282880), (810, 25925952), (816, 25735320), (832, 25240410), (845, 24852096), (846, 24822720), (864, 24305580), (884, 23755680), (918, 22875840), (936, 22435920), (940, 22340448), (960, 21875022), (972, 21604960), (1014, 20710080), (1020, 20588256), (1040, 20192328), (1053, 19943040), (1080, 19444464), (1088, 19301490), (1105, 19004544), (1128, 18617040), (1152, 18229185), (1170, 17948736), (1215, 17283968), (1222, 17184960), (1224, 17156880), (1248, 16826940), (1269, 16548480), (1296, 16203720), (1326, 15837120), (1352, 15532560), (1360, 15441192), (1377, 15250560), (1404, 14957280), (1410, 14893632), (1440, 14583348), (1504, 13962780), (1521, 13806720), (1530, 13725504), (1560, 13461552), (1598, 13141440), (1620, 12962976), (1632, 12867660), (1664, 12620205), (1690, 12426048), (1692, 12411360), (1728, 12152790), (1755, 11965824), (1768, 11877840), (1833, 11456640), (1836, 11437920), (1872, 11217960), (1880, 11170224), (1920, 10937511), (1944, 10802480), (1989, 10558080), (2028, 10355040), (2040, 10294128), (2080, 10096164), (2106, 9971520), (2115, 9929088), (2160, 9722232), (2176, 9650745), (2210, 9502272), (2256, 9308520), (2295, 9150336), (2340, 8974368), (2397, 8760960), (2430, 8641984), (2444, 8592480), (2448, 8578440), (2496, 8413470), (2535, 8284032), (2538, 8274240), (2592, 8101860), (2652, 7918560), (2704, 7766280), (2720, 7720596), (2754, 7625280), (2808, 7478640), (2820, 7446816), (2873, 7309440), (2880, 7291674), (3008, 6981390), (3042, 6903360), (3055, 6873984), (3060, 6862752), (3120, 6730776), (3159, 6647680), (3196, 6570720), (3240, 6481488), (3264, 6433830), (3315, 6334848), (3380, 6213024), (3384, 6205680), (3456, 6076395), (3510, 5982912), (3536, 5938920), (3666, 5728320), (3672, 5718960), (3744, 5608980), (3760, 5585112), (3807, 5516160), (3888, 5401240), (3978, 5279040), (3995, 5256576), (4056, 5177520), (4080, 5147064), (4131, 5083520), (4160, 5048082), (4212, 4985760), (4230, 4964544), (4320, 4861116), (4420, 4751136), (4512, 4654260), (4563, 4602240), (4590, 4575168), (4680, 4487184), (4794, 4380480), (4860, 4320992), (4888, 4296240), (4896, 4289220), (4992, 4206735), (5070, 4142016), (5076, 4137120), (5184, 4050930), (5265, 3988608), (5304, 3959280), (5408, 3883140), (5440, 3860298), (5499, 3818880), (5508, 3812640), (5616, 3739320), (5640, 3723408), (5746, 3654720), (5760, 3645837), (5967, 3519360), (6016, 3490695), (6084, 3451680), (6110, 3436992), (6120, 3431376), (6240, 3365388), (6318, 3323840), (6345, 3309696), (6392, 3285360), (6480, 3240744), (6528, 3216915), (6630, 3167424), (6760, 3106512), (6768, 3102840), (6885, 3050112), (7020, 2991456), (7072, 2969460), (7191, 2920320), (7332, 2864160), (7344, 2859480), (7488, 2804490), (7520, 2792556), (7605, 2761344), (7614, 2758080), (7776, 2700620), (7943, 2643840), (7956, 2639520), (7990, 2628288), (8112, 2588760), (8160, 2573532), (8262, 2541760), (8320, 2524041), (8424, 2492880), (8460, 2482272), (8619, 2436480), (8640, 2430558), (8840, 2375568), (9024, 2327130), (9126, 2301120), (9165, 2291328), (9180, 2287584), (9360, 2243592), (9588, 2190240), (9720, 2160496), (9776, 2148120), (9792, 2144610), (9945, 2111616), (10140, 2071008), (10152, 2068560), (10368, 2025465), (10387, 2021760), (10530, 1994304), (10608, 1979640), (10816, 1941570), (10880, 1930149), (10998, 1909440), (11016, 1906320), (11232, 1869660), (11280, 1861704), (11421, 1838720), (11492, 1827360), (11934, 1759680), (11985, 1752192), (12168, 1725840), (12220, 1718496), (12240, 1715688), (12480, 1682694), (12636, 1661920), (12690, 1654848), (12784, 1642680), (12960, 1620372), (13260, 1583712), (13520, 1553256), (13536, 1551420), (13689, 1534080), (13770, 1525056), (14040, 1495728), (14144, 1484730), (14365, 1461888), (14382, 1460160), (14664, 1432080), (14688, 1429740), (14976, 1402245), (15040, 1396278), (15210, 1380672), (15228, 1379040), (15552, 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