21000898080

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:218

約数の個数: 576

約数和(自身を含む): 78117540480

約数和(自身を除く): 57116642400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 53, 54, 60, 67, 72, 74, 80, 90, 96, 106, 108, 111, 120, 134, 135, 144, 148, 159, 160, 180, 185, 201, 212, 216, 222, 240, 265, 268, 270, 288, 296, 318, 333, 335, 360, 370, 402, 424, 432, 444, 477, 480, 530, 536, 540, 555, 592, 603, 636, 666, 670, 720, 740, 795, 804, 848, 864, 888, 954, 999, 1005, 1060, 1072, 1080, 1110, 1184, 1206, 1272, 1332, 1340, 1369, 1431, 1440, 1480, 1590, 1608, 1665, 1696, 1776, 1809, 1908, 1961, 1998, 2010, 2120, 2144, 2160, 2220, 2385, 2412, 2479, 2544, 2664, 2680, 2738, 2862, 2960, 3015, 3180, 3216, 3330, 3551, 3552, 3618, 3816, 3922, 3996, 4020, 4107, 4240, 4320, 4440, 4770, 4824, 4958, 4995, 5088, 5328, 5360, 5476, 5724, 5883, 5920, 6030, 6360, 6432, 6660, 6845, 7102, 7155, 7236, 7437, 7632, 7844, 7992, 8040, 8214, 8480, 8880, 9045, 9540, 9648, 9805, 9916, 9990, 10653, 10656, 10720, 10952, 11448, 11766, 12060, 12321, 12395, 12720, 13320, 13690, 14204, 14310, 14472, 14874, 15264, 15688, 15984, 16080, 16428, 17649, 17755, 17760, 18090, 19080, 19296, 19610, 19832, 19980, 20535, 21306, 21904, 22311, 22896, 23532, 24120, 24642, 24790, 25440, 26640, 27380, 28408, 28620, 28944, 29415, 29748, 31376, 31959, 31968, 32160, 32856, 35298, 35510, 36180, 36963, 37185, 38160, 39220, 39664, 39960, 41070, 42612, 43808, 44622, 45792, 47064, 48240, 49284, 49580, 52947, 53265, 53280, 54760, 56816, 57240, 57888, 58830, 59496, 61605, 62752, 63918, 65712, 66933, 70596, 71020, 72360, 72557, 73926, 74370, 76320, 78440, 79328, 79920, 82140, 85224, 88245, 89244, 91723, 94128, 95877, 96480, 98568, 99160, 105894, 106530, 109520, 111555, 113632, 114480, 117660, 118992, 123210, 127836, 131387, 131424, 133866, 141192, 142040, 144720, 145114, 147852, 148740, 156880, 159795, 159840, 164280, 170448, 176490, 178488, 183446, 184815, 188256, 191754, 197136, 198320, 211788, 213060, 217671, 219040, 223110, 228960, 235320, 237984, 246420, 255672, 262774, 264735, 267732, 275169, 282384, 284080, 289440, 290228, 295704, 297480, 313760, 319590, 328560, 334665, 340896, 352980, 356976, 362785, 366892, 369630, 383508, 394161, 394272, 396640, 423576, 426120, 435342, 446220, 458615, 470640, 479385, 492840, 511344, 525548, 529470, 535464, 550338, 564768, 568160, 580456, 591408, 594960, 639180, 653013, 656935, 657120, 669330, 705960, 713952, 725570, 733784, 739260, 767016, 788322, 825507, 847152, 852240, 870684, 892440, 917230, 941280, 958770, 985680, 1022688, 1051096, 1058940, 1070928, 1088355, 1100676, 1160912, 1182483, 1182816, 1189920, 1278360, 1306026, 1313870, 1338660, 1375845, 1411920, 1451140, 1467568, 1478520, 1534032, 1576644, 1651014, 1694304, 1704480, 1741368, 1784880, 1834460, 1917540, 1959039, 1970805, 1971360, 2102192, 2117880, 2141856, 2176710, 2201352, 2321824, 2364966, 2476521, 2556720, 2612052, 2627740, 2677320, 2751690, 2823840, 2902280, 2935136, 2957040, 3068064, 3153288, 3265065, 3302028, 3482736, 3547449, 3569760, 3668920, 3835080, 3918078, 3941610, 4127535, 4204384, 4235760, 4353420, 4402704, 4729932, 4861319, 4953042, 5113440, 5224104, 5255480, 5354640, 5503380, 5804560, 5912415, 5914080, 6306576, 6530130, 6604056, 6965472, 7094898, 7337840, 7670160, 7836156, 7883220, 8255070, 8471520, 8706840, 8805408, 9459864, 9722638, 9795195, 9906084, 10448208, 10510960, 10709280, 11006760, 11609120, 11824830, 12382605, 12613152, 13060260, 13208112, 14189796, 14583957, 14675680, 15340320, 15672312, 15766440, 16510140, 17413680, 17737245, 18919728, 19445276, 19590390, 19812168, 20896416, 21021920, 22013520, 23649660, 24306595, 24765210, 26120520, 26416224, 28379592, 29167914, 31344624, 31532880, 33020280, 34827360, 35474490, 37839456, 38890552, 39180780, 39624336, 43751871, 44027040, 47299320, 48613190, 49530420, 52241040, 56759184, 58335828, 62689248, 63065760, 66040560, 70948980, 72919785, 77781104, 78361560, 79248672, 87503742, 94598640, 97226380, 99060840, 104482080, 113518368, 116671656, 131255613, 132081120, 141897960, 145839570, 155562208, 156723120, 175007484, 189197280, 194452760, 198121680, 218759355, 233343312, 262511226, 283795920, 291679140, 313446240, 350014968, 388905520, 396243360, 437518710, 466686624, 525022452, 567591840, 583358280, 656278065, 700029936, 777811040, 875037420, 1050044904, 1166716560, 1312556130, 1400059872, 1750074840, 2100089808, 2333433120, 2625112260, 3500149680, 4200179616, 5250224520, 7000299360, 10500449040, 21000898080]

約数ペア:

[(1, 21000898080), (2, 10500449040), (3, 7000299360), (4, 5250224520), (5, 4200179616), (6, 3500149680), (8, 2625112260), (9, 2333433120), (10, 2100089808), (12, 1750074840), (15, 1400059872), (16, 1312556130), (18, 1166716560), (20, 1050044904), (24, 875037420), (27, 777811040), (30, 700029936), (32, 656278065), (36, 583358280), (37, 567591840), (40, 525022452), (45, 466686624), (48, 437518710), (53, 396243360), (54, 388905520), (60, 350014968), (67, 313446240), (72, 291679140), (74, 283795920), (80, 262511226), (90, 233343312), (96, 218759355), (106, 198121680), (108, 194452760), (111, 189197280), (120, 175007484), (134, 156723120), (135, 155562208), (144, 145839570), (148, 141897960), (159, 132081120), (160, 131255613), (180, 116671656), (185, 113518368), (201, 104482080), (212, 99060840), (216, 97226380), (222, 94598640), (240, 87503742), (265, 79248672), (268, 78361560), (270, 77781104), (288, 72919785), (296, 70948980), (318, 66040560), (333, 63065760), (335, 62689248), (360, 58335828), (370, 56759184), (402, 52241040), (424, 49530420), (432, 48613190), (444, 47299320), (477, 44027040), (480, 43751871), (530, 39624336), (536, 39180780), (540, 38890552), (555, 37839456), (592, 35474490), (603, 34827360), (636, 33020280), (666, 31532880), (670, 31344624), (720, 29167914), (740, 28379592), (795, 26416224), (804, 26120520), (848, 24765210), (864, 24306595), (888, 23649660), (954, 22013520), (999, 21021920), (1005, 20896416), (1060, 19812168), (1072, 19590390), (1080, 19445276), (1110, 18919728), (1184, 17737245), (1206, 17413680), (1272, 16510140), (1332, 15766440), (1340, 15672312), (1369, 15340320), (1431, 14675680), (1440, 14583957), (1480, 14189796), (1590, 13208112), (1608, 13060260), (1665, 12613152), (1696, 12382605), (1776, 11824830), (1809, 11609120), (1908, 11006760), (1961, 10709280), (1998, 10510960), (2010, 10448208), (2120, 9906084), (2144, 9795195), (2160, 9722638), (2220, 9459864), (2385, 8805408), (2412, 8706840), (2479, 8471520), (2544, 8255070), (2664, 7883220), (2680, 7836156), (2738, 7670160), (2862, 7337840), (2960, 7094898), (3015, 6965472), (3180, 6604056), (3216, 6530130), (3330, 6306576), (3551, 5914080), (3552, 5912415), (3618, 5804560), (3816, 5503380), (3922, 5354640), (3996, 5255480), (4020, 5224104), (4107, 5113440), (4240, 4953042), (4320, 4861319), (4440, 4729932), (4770, 4402704), (4824, 4353420), (4958, 4235760), (4995, 4204384), (5088, 4127535), (5328, 3941610), (5360, 3918078), (5476, 3835080), (5724, 3668920), (5883, 3569760), (5920, 3547449), (6030, 3482736), (6360, 3302028), (6432, 3265065), (6660, 3153288), (6845, 3068064), (7102, 2957040), (7155, 2935136), (7236, 2902280), (7437, 2823840), (7632, 2751690), (7844, 2677320), (7992, 2627740), (8040, 2612052), (8214, 2556720), (8480, 2476521), (8880, 2364966), (9045, 2321824), (9540, 2201352), (9648, 2176710), (9805, 2141856), (9916, 2117880), (9990, 2102192), (10653, 1971360), (10656, 1970805), (10720, 1959039), (10952, 1917540), (11448, 1834460), (11766, 1784880), (12060, 1741368), (12321, 1704480), (12395, 1694304), (12720, 1651014), (13320, 1576644), (13690, 1534032), (14204, 1478520), (14310, 1467568), (14472, 1451140), (14874, 1411920), (15264, 1375845), (15688, 1338660), (15984, 1313870), (16080, 1306026), (16428, 1278360), (17649, 1189920), (17755, 1182816), (17760, 1182483), (18090, 1160912), (19080, 1100676), (19296, 1088355), (19610, 1070928), (19832, 1058940), (19980, 1051096), (20535, 1022688), (21306, 985680), (21904, 958770), (22311, 941280), (22896, 917230), (23532, 892440), (24120, 870684), (24642, 852240), (24790, 847152), (25440, 825507), (26640, 788322), (27380, 767016), (28408, 739260), (28620, 733784), (28944, 725570), (29415, 713952), (29748, 705960), (31376, 669330), (31959, 657120), (31968, 656935), (32160, 653013), (32856, 639180), (35298, 594960), (35510, 591408), (36180, 580456), (36963, 568160), (37185, 564768), (38160, 550338), (39220, 535464), (39664, 529470), (39960, 525548), (41070, 511344), (42612, 492840), (43808, 479385), (44622, 470640), (45792, 458615), (47064, 446220), (48240, 435342), (49284, 426120), (49580, 423576), (52947, 396640), (53265, 394272), (53280, 394161), (54760, 383508), (56816, 369630), (57240, 366892), (57888, 362785), (58830, 356976), (59496, 352980), (61605, 340896), (62752, 334665), (63918, 328560), (65712, 319590), (66933, 313760), (70596, 297480), (71020, 295704), (72360, 290228), (72557, 289440), (73926, 284080), (74370, 282384), (76320, 275169), (78440, 267732), (79328, 264735), (79920, 262774), (82140, 255672), (85224, 246420), (88245, 237984), (89244, 235320), (91723, 228960), (94128, 223110), (95877, 219040), (96480, 217671), (98568, 213060), (99160, 211788), (105894, 198320), (106530, 197136), (109520, 191754), (111555, 188256), (113632, 184815), (114480, 183446), (117660, 178488), (118992, 176490), (123210, 170448), (127836, 164280), (131387, 159840), (131424, 159795), (133866, 156880), (141192, 148740), (142040, 147852), (144720, 145114)]