21071930880

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2798

約数の個数: 640

約数和(自身を含む): 90480208896

約数和(自身を除く): 69408278016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 64, 65, 66, 70, 77, 78, 80, 84, 88, 91, 96, 104, 105, 110, 112, 120, 128, 130, 132, 140, 143, 154, 156, 160, 165, 168, 176, 182, 192, 195, 208, 210, 220, 224, 231, 240, 256, 260, 264, 273, 280, 286, 308, 312, 320, 330, 336, 352, 364, 384, 385, 390, 416, 420, 429, 440, 448, 455, 462, 480, 512, 520, 528, 546, 560, 572, 616, 624, 640, 660, 672, 704, 715, 728, 768, 770, 780, 832, 840, 858, 880, 896, 910, 924, 960, 1001, 1040, 1056, 1092, 1120, 1144, 1155, 1232, 1248, 1280, 1320, 1344, 1365, 1408, 1430, 1456, 1536, 1540, 1560, 1664, 1680, 1716, 1760, 1792, 1820, 1848, 1920, 2002, 2080, 2112, 2145, 2184, 2240, 2288, 2310, 2464, 2496, 2560, 2640, 2688, 2730, 2741, 2816, 2860, 2912, 3003, 3080, 3120, 3328, 3360, 3432, 3520, 3584, 3640, 3696, 3840, 4004, 4160, 4224, 4290, 4368, 4480, 4576, 4620, 4928, 4992, 5005, 5280, 5376, 5460, 5482, 5632, 5720, 5824, 6006, 6160, 6240, 6656, 6720, 6864, 7040, 7280, 7392, 7680, 8008, 8223, 8320, 8448, 8580, 8736, 8960, 9152, 9240, 9856, 9984, 10010, 10560, 10752, 10920, 10964, 11440, 11648, 12012, 12320, 12480, 13440, 13705, 13728, 14080, 14560, 14784, 15015, 16016, 16446, 16640, 16896, 17160, 17472, 17920, 18304, 18480, 19187, 19712, 19968, 20020, 21120, 21840, 21928, 22880, 23296, 24024, 24640, 24960, 26880, 27410, 27456, 28160, 29120, 29568, 30030, 30151, 32032, 32892, 33280, 34320, 34944, 35633, 36608, 36960, 38374, 39424, 40040, 41115, 42240, 43680, 43856, 45760, 46592, 48048, 49280, 49920, 53760, 54820, 54912, 57561, 58240, 59136, 60060, 60302, 64064, 65784, 68640, 69888, 71266, 73216, 73920, 76748, 80080, 82230, 84480, 87360, 87712, 90453, 91520, 95935, 96096, 98560, 99840, 106899, 109640, 109824, 115122, 116480, 118272, 120120, 120604, 128128, 131568, 137280, 139776, 142532, 147840, 150755, 153496, 160160, 164460, 174720, 175424, 178165, 180906, 183040, 191870, 192192, 197120, 211057, 213798, 219280, 219648, 230244, 232960, 240240, 241208, 249431, 256256, 263136, 274560, 285064, 287805, 295680, 301510, 306992, 320320, 328920, 349440, 350848, 356330, 361812, 366080, 383740, 384384, 391963, 422114, 427596, 438560, 452265, 460488, 480480, 482416, 498862, 512512, 526272, 534495, 549120, 570128, 575610, 591360, 603020, 613984, 633171, 640640, 657840, 698880, 701696, 712660, 723624, 748293, 767480, 768768, 783926, 844228, 855192, 877120, 904530, 920976, 960960, 964832, 997724, 1052544, 1055285, 1068990, 1098240, 1140256, 1151220, 1175889, 1206040, 1227968, 1247155, 1266342, 1281280, 1315680, 1403392, 1425320, 1447248, 1496586, 1534960, 1537536, 1567852, 1688456, 1710384, 1754240, 1809060, 1841952, 1921920, 1929664, 1959815, 1995448, 2105088, 2110570, 2137980, 2280512, 2302440, 2351778, 2412080, 2455936, 2494310, 2532684, 2562560, 2631360, 2743741, 2850640, 2894496, 2993172, 3069920, 3135704, 3165855, 3376912, 3420768, 3508480, 3618120, 3683904, 3741465, 3843840, 3859328, 3919630, 3990896, 4210176, 4221140, 4275960, 4561024, 4604880, 4703556, 4824160, 4911872, 4988620, 5065368, 5262720, 5487482, 5701280, 5788992, 5879445, 5986344, 6139840, 6271408, 6331710, 6753824, 6841536, 7016960, 7236240, 7367808, 7482930, 7687680, 7718656, 7839260, 7981792, 8231223, 8442280, 8551920, 9122048, 9209760, 9407112, 9648320, 9823744, 9977240, 10130736, 10525440, 10974964, 11402560, 11577984, 11758890, 11972688, 12279680, 12542816, 12663420, 13507648, 13683072, 13718705, 14472480, 14735616, 14965860, 15437312, 15678520, 15963584, 16462446, 16884560, 17103840, 18244096, 18419520, 18814224, 19296640, 19954480, 20261472, 21050880, 21949928, 22805120, 23155968, 23517780, 23945376, 24559360, 25085632, 25326840, 27015296, 27366144, 27437410, 28944960, 29471232, 29931720, 31357040, 31927168, 32924892, 33769120, 34207680, 36839040, 37628448, 38593280, 39908960, 40522944, 41156115, 43899856, 45610240, 46311936, 47035560, 47890752, 49118720, 50171264, 50653680, 54030592, 54732288, 54874820, 57889920, 59863440, 62714080, 63854336, 65849784, 67538240, 68415360, 73678080, 75256896, 77186560, 79817920, 81045888, 82312230, 87799712, 91220480, 94071120, 95781504, 100342528, 101307360, 108061184, 109749640, 115779840, 119726880, 125428160, 127708672, 131699568, 135076480, 136830720, 147356160, 150513792, 159635840, 162091776, 164624460, 175599424, 188142240, 191563008, 200685056, 202614720, 219499280, 231559680, 239453760, 250856320, 263399136, 270152960, 273661440, 301027584, 319271680, 324183552, 329248920, 351198848, 376284480, 383126016, 405229440, 438998560, 478907520, 501712640, 526798272, 540305920, 602055168, 638543360, 658497840, 702397696, 752568960, 810458880, 877997120, 957815040, 1003425280, 1053596544, 1316995680, 1404795392, 1505137920, 1620917760, 1755994240, 1915630080, 2107193088, 2633991360, 3010275840, 3511988480, 4214386176, 5267982720, 7023976960, 10535965440, 21071930880]

約数ペア:

[(1, 21071930880), (2, 10535965440), (3, 7023976960), (4, 5267982720), (5, 4214386176), (6, 3511988480), (7, 3010275840), (8, 2633991360), (10, 2107193088), (11, 1915630080), (12, 1755994240), (13, 1620917760), (14, 1505137920), (15, 1404795392), (16, 1316995680), (20, 1053596544), (21, 1003425280), (22, 957815040), (24, 877997120), (26, 810458880), (28, 752568960), (30, 702397696), (32, 658497840), (33, 638543360), (35, 602055168), (39, 540305920), (40, 526798272), (42, 501712640), (44, 478907520), (48, 438998560), (52, 405229440), (55, 383126016), (56, 376284480), (60, 351198848), (64, 329248920), (65, 324183552), (66, 319271680), (70, 301027584), (77, 273661440), (78, 270152960), (80, 263399136), (84, 250856320), (88, 239453760), (91, 231559680), (96, 219499280), (104, 202614720), (105, 200685056), (110, 191563008), (112, 188142240), (120, 175599424), (128, 164624460), (130, 162091776), (132, 159635840), (140, 150513792), (143, 147356160), (154, 136830720), (156, 135076480), (160, 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23517780), (910, 23155968), (924, 22805120), (960, 21949928), (1001, 21050880), (1040, 20261472), (1056, 19954480), (1092, 19296640), (1120, 18814224), (1144, 18419520), (1155, 18244096), (1232, 17103840), (1248, 16884560), (1280, 16462446), (1320, 15963584), (1344, 15678520), (1365, 15437312), (1408, 14965860), (1430, 14735616), (1456, 14472480), (1536, 13718705), (1540, 13683072), (1560, 13507648), (1664, 12663420), (1680, 12542816), (1716, 12279680), (1760, 11972688), (1792, 11758890), (1820, 11577984), (1848, 11402560), (1920, 10974964), (2002, 10525440), (2080, 10130736), (2112, 9977240), (2145, 9823744), (2184, 9648320), (2240, 9407112), (2288, 9209760), (2310, 9122048), (2464, 8551920), (2496, 8442280), (2560, 8231223), (2640, 7981792), (2688, 7839260), (2730, 7718656), (2741, 7687680), (2816, 7482930), (2860, 7367808), (2912, 7236240), (3003, 7016960), (3080, 6841536), (3120, 6753824), (3328, 6331710), (3360, 6271408), (3432, 6139840), (3520, 5986344), (3584, 5879445), (3640, 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(15015, 1403392), (16016, 1315680), (16446, 1281280), (16640, 1266342), (16896, 1247155), (17160, 1227968), (17472, 1206040), (17920, 1175889), (18304, 1151220), (18480, 1140256), (19187, 1098240), (19712, 1068990), (19968, 1055285), (20020, 1052544), (21120, 997724), (21840, 964832), (21928, 960960), (22880, 920976), (23296, 904530), (24024, 877120), (24640, 855192), (24960, 844228), (26880, 783926), (27410, 768768), (27456, 767480), (28160, 748293), (29120, 723624), (29568, 712660), (30030, 701696), (30151, 698880), (32032, 657840), (32892, 640640), (33280, 633171), (34320, 613984), (34944, 603020), (35633, 591360), (36608, 575610), (36960, 570128), (38374, 549120), (39424, 534495), (40040, 526272), (41115, 512512), (42240, 498862), (43680, 482416), (43856, 480480), (45760, 460488), (46592, 452265), (48048, 438560), (49280, 427596), (49920, 422114), (53760, 391963), (54820, 384384), (54912, 383740), (57561, 366080), (58240, 361812), (59136, 356330), (60060, 350848), (60302, 349440), (64064, 328920), (65784, 320320), (68640, 306992), (69888, 301510), (71266, 295680), (73216, 287805), (73920, 285064), (76748, 274560), (80080, 263136), (82230, 256256), (84480, 249431), (87360, 241208), (87712, 240240), (90453, 232960), (91520, 230244), (95935, 219648), (96096, 219280), (98560, 213798), (99840, 211057), (106899, 197120), (109640, 192192), (109824, 191870), (115122, 183040), (116480, 180906), (118272, 178165), (120120, 175424), (120604, 174720), (128128, 164460), (131568, 160160), (137280, 153496), (139776, 150755), (142532, 147840)]