21179214720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4241}}^1$

素因数の和:4303

約数の個数: 384

約数和(自身を含む): 79700392800

約数和(自身を除く): 58521178080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 289, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 578, 612, 640, 680, 720, 765, 816, 864, 867, 918, 960, 1020, 1080, 1088, 1152, 1156, 1224, 1360, 1440, 1445, 1530, 1632, 1728, 1734, 1836, 1920, 2040, 2160, 2176, 2295, 2312, 2448, 2601, 2720, 2880, 2890, 3060, 3264, 3456, 3468, 3672, 4080, 4241, 4320, 4335, 4590, 4624, 4896, 5202, 5440, 5760, 5780, 6120, 6528, 6936, 7344, 7803, 8160, 8482, 8640, 8670, 9180, 9248, 9792, 10404, 10880, 11560, 12240, 12723, 13005, 13872, 14688, 15606, 16320, 16964, 17280, 17340, 18360, 18496, 19584, 20808, 21205, 23120, 24480, 25446, 26010, 27744, 29376, 31212, 32640, 33928, 34680, 36720, 36992, 38169, 39015, 41616, 42410, 46240, 48960, 50892, 52020, 55488, 58752, 62424, 63615, 67856, 69360, 72097, 73440, 76338, 78030, 83232, 84820, 92480, 97920, 101784, 104040, 110976, 114507, 124848, 127230, 135712, 138720, 144194, 146880, 152676, 156060, 166464, 169640, 184960, 190845, 203568, 208080, 216291, 229014, 249696, 254460, 271424, 277440, 288388, 293760, 305352, 312120, 332928, 339280, 360485, 381690, 407136, 416160, 432582, 458028, 499392, 508920, 542848, 554880, 572535, 576776, 610704, 624240, 648873, 678560, 720970, 763380, 814272, 832320, 865164, 916056, 998784, 1017840, 1081455, 1145070, 1153552, 1221408, 1225649, 1248480, 1297746, 1357120, 1441940, 1526760, 1628544, 1664640, 1730328, 1832112, 1946619, 2035680, 2162910, 2290140, 2307104, 2442816, 2451298, 2496960, 2595492, 2714240, 2883880, 3053520, 3244365, 3460656, 3664224, 3676947, 3893238, 4071360, 4325820, 4580280, 4614208, 4885632, 4902596, 4993920, 5190984, 5767760, 6107040, 6128245, 6488730, 6921312, 7328448, 7353894, 7786476, 8142720, 8651640, 9160560, 9228416, 9733095, 9805192, 10381968, 11030841, 11535520, 12214080, 12256490, 12977460, 13842624, 14656896, 14707788, 15572952, 17303280, 18321120, 18384735, 19466190, 19610384, 20763936, 22061682, 23071040, 24428160, 24512980, 25954920, 27685248, 29415576, 31145904, 33092523, 34606560, 36642240, 36769470, 38932380, 39220768, 41527872, 44123364, 46142080, 49025960, 51909840, 55154205, 58831152, 62291808, 66185046, 69213120, 73284480, 73538940, 77864760, 78441536, 83055744, 88246728, 98051920, 103819680, 110308410, 117662304, 124583616, 132370092, 138426240, 147077880, 155729520, 156883072, 165462615, 176493456, 196103840, 207639360, 220616820, 235324608, 249167232, 264740184, 294155760, 311459040, 330925230, 352986912, 392207680, 415278720, 441233640, 470649216, 529480368, 588311520, 622918080, 661850460, 705973824, 784415360, 882467280, 1058960736, 1176623040, 1245836160, 1323700920, 1411947648, 1764934560, 2117921472, 2353246080, 2647401840, 3529869120, 4235842944, 5294803680, 7059738240, 10589607360, 21179214720]

約数ペア:

[(1, 21179214720), (2, 10589607360), (3, 7059738240), (4, 5294803680), (5, 4235842944), (6, 3529869120), (8, 2647401840), (9, 2353246080), (10, 2117921472), (12, 1764934560), (15, 1411947648), (16, 1323700920), (17, 1245836160), (18, 1176623040), (20, 1058960736), (24, 882467280), (27, 784415360), (30, 705973824), (32, 661850460), (34, 622918080), (36, 588311520), (40, 529480368), (45, 470649216), (48, 441233640), (51, 415278720), (54, 392207680), (60, 352986912), (64, 330925230), (68, 311459040), (72, 294155760), (80, 264740184), (85, 249167232), (90, 235324608), (96, 220616820), (102, 207639360), (108, 196103840), (120, 176493456), (128, 165462615), (135, 156883072), (136, 155729520), (144, 147077880), (153, 138426240), (160, 132370092), (170, 124583616), (180, 117662304), (192, 110308410), (204, 103819680), (216, 98051920), (240, 88246728), (255, 83055744), (270, 78441536), (272, 77864760), (288, 73538940), (289, 73284480), (306, 69213120), (320, 66185046), (340, 62291808), (360, 58831152), (384, 55154205), (408, 51909840), (432, 49025960), (459, 46142080), (480, 44123364), (510, 41527872), (540, 39220768), (544, 38932380), (576, 36769470), (578, 36642240), (612, 34606560), (640, 33092523), (680, 31145904), (720, 29415576), (765, 27685248), (816, 25954920), (864, 24512980), (867, 24428160), (918, 23071040), (960, 22061682), (1020, 20763936), (1080, 19610384), (1088, 19466190), (1152, 18384735), (1156, 18321120), (1224, 17303280), (1360, 15572952), (1440, 14707788), (1445, 14656896), (1530, 13842624), (1632, 12977460), (1728, 12256490), (1734, 12214080), (1836, 11535520), (1920, 11030841), (2040, 10381968), (2160, 9805192), (2176, 9733095), (2295, 9228416), (2312, 9160560), (2448, 8651640), (2601, 8142720), (2720, 7786476), (2880, 7353894), (2890, 7328448), (3060, 6921312), (3264, 6488730), (3456, 6128245), (3468, 6107040), (3672, 5767760), (4080, 5190984), (4241, 4993920), (4320, 4902596), (4335, 4885632), (4590, 4614208), (4624, 4580280), (4896, 4325820), (5202, 4071360), (5440, 3893238), (5760, 3676947), (5780, 3664224), (6120, 3460656), (6528, 3244365), (6936, 3053520), (7344, 2883880), (7803, 2714240), (8160, 2595492), (8482, 2496960), (8640, 2451298), (8670, 2442816), (9180, 2307104), (9248, 2290140), (9792, 2162910), (10404, 2035680), (10880, 1946619), (11560, 1832112), (12240, 1730328), (12723, 1664640), (13005, 1628544), (13872, 1526760), (14688, 1441940), (15606, 1357120), (16320, 1297746), (16964, 1248480), (17280, 1225649), (17340, 1221408), (18360, 1153552), (18496, 1145070), (19584, 1081455), (20808, 1017840), (21205, 998784), (23120, 916056), (24480, 865164), (25446, 832320), (26010, 814272), (27744, 763380), (29376, 720970), (31212, 678560), (32640, 648873), (33928, 624240), (34680, 610704), (36720, 576776), (36992, 572535), (38169, 554880), (39015, 542848), (41616, 508920), (42410, 499392), (46240, 458028), (48960, 432582), (50892, 416160), (52020, 407136), (55488, 381690), (58752, 360485), (62424, 339280), (63615, 332928), (67856, 312120), (69360, 305352), (72097, 293760), (73440, 288388), (76338, 277440), (78030, 271424), (83232, 254460), (84820, 249696), (92480, 229014), (97920, 216291), (101784, 208080), (104040, 203568), (110976, 190845), (114507, 184960), (124848, 169640), (127230, 166464), (135712, 156060), (138720, 152676), (144194, 146880)]