21031778880

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:595

約数の個数: 672

約数和(自身を含む): 86698579968

約数和(自身を除く): 65666801088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 73, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 146, 155, 160, 168, 180, 186, 192, 210, 217, 219, 224, 240, 248, 252, 279, 280, 288, 292, 310, 315, 320, 336, 360, 365, 372, 420, 434, 438, 448, 461, 465, 480, 496, 504, 511, 558, 560, 576, 584, 620, 630, 651, 657, 672, 720, 730, 744, 840, 868, 876, 922, 930, 960, 992, 1008, 1022, 1085, 1095, 1116, 1120, 1168, 1240, 1260, 1302, 1314, 1344, 1383, 1395, 1440, 1460, 1488, 1533, 1680, 1736, 1752, 1844, 1860, 1953, 1984, 2016, 2044, 2170, 2190, 2232, 2240, 2263, 2305, 2336, 2480, 2520, 2555, 2604, 2628, 2766, 2790, 2880, 2920, 2976, 3066, 3227, 3255, 3285, 3360, 3472, 3504, 3688, 3720, 3906, 4032, 4088, 4149, 4340, 4380, 4464, 4526, 4599, 4610, 4672, 4960, 5040, 5110, 5208, 5256, 5532, 5580, 5840, 5952, 6132, 6454, 6510, 6570, 6720, 6789, 6915, 6944, 7008, 7376, 7440, 7665, 7812, 8176, 8298, 8680, 8760, 8928, 9052, 9198, 9220, 9681, 9765, 9920, 10080, 10220, 10416, 10512, 11064, 11160, 11315, 11680, 12264, 12908, 13020, 13140, 13578, 13830, 13888, 14016, 14291, 14752, 14880, 15330, 15624, 15841, 16135, 16352, 16596, 17360, 17520, 17856, 18104, 18396, 18440, 19362, 19530, 20160, 20367, 20440, 20745, 20832, 21024, 22128, 22320, 22630, 22995, 23360, 24528, 25816, 26040, 26280, 27156, 27660, 28582, 29043, 29504, 29760, 30660, 31248, 31682, 32270, 32704, 33192, 33653, 33945, 34720, 35040, 36208, 36792, 36880, 38724, 39060, 40734, 40880, 41490, 41664, 42048, 42873, 44256, 44640, 45260, 45990, 47523, 48405, 49056, 51632, 52080, 52560, 54312, 55320, 57164, 58086, 61320, 62496, 63364, 64540, 66384, 67306, 67890, 69440, 70080, 71455, 72416, 73584, 73760, 77448, 78120, 79205, 81468, 81760, 82980, 85746, 88512, 89280, 90520, 91980, 95046, 96810, 98112, 100037, 100959, 101835, 103264, 104160, 105120, 108624, 110640, 114328, 116172, 122640, 124992, 126728, 128619, 129080, 132768, 134612, 135780, 142569, 142910, 144832, 145215, 147168, 147520, 154896, 156240, 158410, 162936, 163520, 165960, 168265, 171492, 181040, 183960, 190092, 193620, 200074, 201918, 203670, 206528, 208320, 210240, 214365, 217248, 221280, 228656, 232344, 235571, 237615, 245280, 253456, 257238, 258160, 265536, 269224, 271560, 285138, 285820, 290430, 294336, 300111, 302877, 309792, 312480, 316820, 325872, 331920, 336530, 342984, 362080, 367920, 380184, 387240, 400148, 403836, 407340, 428730, 434496, 442560, 457312, 464688, 471142, 475230, 490560, 500185, 504795, 506912, 514476, 516320, 538448, 543120, 570276, 571640, 580860, 600222, 605754, 619584, 624960, 633640, 643095, 651744, 663840, 673060, 685968, 706713, 712845, 724160, 735840, 760368, 774480, 800296, 807672, 814680, 857460, 900333, 914624, 929376, 942284, 950460, 1000370, 1009590, 1013824, 1028952, 1032640, 1043243, 1076896, 1086240, 1140552, 1143280, 1161720, 1177855, 1200444, 1211508, 1267280, 1286190, 1303488, 1327680, 1346120, 1371936, 1413426, 1425690, 1471680, 1500555, 1514385, 1520736, 1548960, 1600592, 1615344, 1629360, 1714920, 1800666, 1858752, 1884568, 1900920, 2000740, 2019180, 2057904, 2086486, 2120139, 2153792, 2172480, 2281104, 2286560, 2323440, 2355710, 2400888, 2423016, 2534560, 2572380, 2692240, 2743872, 2826852, 2851380, 3001110, 3028770, 3041472, 3097920, 3129729, 3201184, 3230688, 3258720, 3429840, 3533565, 3601332, 3769136, 3801840, 4001480, 4038360, 4115808, 4172972, 4240278, 4501665, 4562208, 4573120, 4646880, 4711420, 4801776, 4846032, 5069120, 5144760, 5216215, 5384480, 5653704, 5702760, 6002220, 6057540, 6259458, 6402368, 6461376, 6517440, 6859680, 7067130, 7202664, 7302701, 7538272, 7603680, 8002960, 8076720, 8231616, 8345944, 8480556, 9003330, 9124416, 9293760, 9389187, 9422840, 9603552, 9692064, 10289520, 10432430, 10600695, 10768960, 11307408, 11405520, 12004440, 12115080, 12518916, 13719360, 14134260, 14405328, 14605402, 15076544, 15207360, 15648645, 16005920, 16153440, 16691888, 16961112, 18006660, 18778374, 18845680, 19207104, 19384128, 20579040, 20864860, 21201390, 21908103, 22614816, 22811040, 24008880, 24230160, 25037832, 28268520, 28810656, 29210804, 31297290, 32011840, 32306880, 33383776, 33922224, 36013320, 36513505, 37556748, 37691360, 41158080, 41729720, 42402780, 43816206, 45229632, 45622080, 46945935, 48017760, 48460320, 50075664, 56537040, 57621312, 58421608, 62594580, 65724309, 66767552, 67844448, 72026640, 73027010, 75113496, 75382720, 83459440, 84805560, 87632412, 93891870, 96035520, 96920640, 100151328, 109540515, 113074080, 116843216, 125189160, 131448618, 135688896, 144053280, 146054020, 150226992, 166918880, 169611120, 175264824, 187783740, 200302656, 219081030, 226148160, 233686432, 250378320, 262897236, 288106560, 292108040, 300453984, 328621545, 333837760, 339222240, 350529648, 375567480, 438162060, 467372864, 500756640, 525794472, 584216080, 600907968, 657243090, 678444480, 701059296, 751134960, 876324120, 1001513280, 1051588944, 1168432160, 1314486180, 1402118592, 1502269920, 1752648240, 2103177888, 2336864320, 2628972360, 3004539840, 3505296480, 4206355776, 5257944720, 7010592960, 10515889440, 21031778880]

約数ペア:

[(1, 21031778880), (2, 10515889440), (3, 7010592960), (4, 5257944720), (5, 4206355776), (6, 3505296480), (7, 3004539840), (8, 2628972360), (9, 2336864320), (10, 2103177888), (12, 1752648240), (14, 1502269920), (15, 1402118592), (16, 1314486180), (18, 1168432160), (20, 1051588944), (21, 1001513280), (24, 876324120), (28, 751134960), (30, 701059296), (31, 678444480), (32, 657243090), (35, 600907968), (36, 584216080), (40, 525794472), (42, 500756640), (45, 467372864), (48, 438162060), (56, 375567480), (60, 350529648), (62, 339222240), (63, 333837760), (64, 328621545), (70, 300453984), (72, 292108040), (73, 288106560), (80, 262897236), (84, 250378320), (90, 233686432), (93, 226148160), (96, 219081030), (105, 200302656), (112, 187783740), (120, 175264824), (124, 169611120), (126, 166918880), (140, 150226992), (144, 146054020), (146, 144053280), (155, 135688896), (160, 131448618), (168, 125189160), (180, 116843216), (186, 113074080), (192, 109540515), (210, 100151328), (217, 96920640), (219, 96035520), (224, 93891870), (240, 87632412), (248, 84805560), (252, 83459440), (279, 75382720), (280, 75113496), (288, 73027010), (292, 72026640), (310, 67844448), (315, 66767552), (320, 65724309), (336, 62594580), (360, 58421608), (365, 57621312), (372, 56537040), (420, 50075664), (434, 48460320), (438, 48017760), (448, 46945935), (461, 45622080), (465, 45229632), (480, 43816206), (496, 42402780), (504, 41729720), (511, 41158080), (558, 37691360), (560, 37556748), (576, 36513505), (584, 36013320), (620, 33922224), (630, 33383776), (651, 32306880), (657, 32011840), (672, 31297290), (720, 29210804), (730, 28810656), (744, 28268520), (840, 25037832), (868, 24230160), (876, 24008880), (922, 22811040), (930, 22614816), (960, 21908103), (992, 21201390), (1008, 20864860), (1022, 20579040), (1085, 19384128), (1095, 19207104), (1116, 18845680), (1120, 18778374), (1168, 18006660), (1240, 16961112), (1260, 16691888), (1302, 16153440), (1314, 16005920), (1344, 15648645), (1383, 15207360), (1395, 15076544), (1440, 14605402), (1460, 14405328), (1488, 14134260), (1533, 13719360), (1680, 12518916), (1736, 12115080), (1752, 12004440), (1844, 11405520), (1860, 11307408), (1953, 10768960), (1984, 10600695), (2016, 10432430), (2044, 10289520), (2170, 9692064), (2190, 9603552), (2232, 9422840), (2240, 9389187), (2263, 9293760), (2305, 9124416), (2336, 9003330), (2480, 8480556), (2520, 8345944), (2555, 8231616), (2604, 8076720), (2628, 8002960), (2766, 7603680), (2790, 7538272), (2880, 7302701), (2920, 7202664), (2976, 7067130), (3066, 6859680), (3227, 6517440), (3255, 6461376), (3285, 6402368), (3360, 6259458), (3472, 6057540), (3504, 6002220), (3688, 5702760), (3720, 5653704), (3906, 5384480), (4032, 5216215), (4088, 5144760), (4149, 5069120), (4340, 4846032), (4380, 4801776), (4464, 4711420), (4526, 4646880), (4599, 4573120), (4610, 4562208), (4672, 4501665), (4960, 4240278), (5040, 4172972), (5110, 4115808), (5208, 4038360), (5256, 4001480), (5532, 3801840), (5580, 3769136), (5840, 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1086240), (19530, 1076896), (20160, 1043243), (20367, 1032640), (20440, 1028952), (20745, 1013824), (20832, 1009590), (21024, 1000370), (22128, 950460), (22320, 942284), (22630, 929376), (22995, 914624), (23360, 900333), (24528, 857460), (25816, 814680), (26040, 807672), (26280, 800296), (27156, 774480), (27660, 760368), (28582, 735840), (29043, 724160), (29504, 712845), (29760, 706713), (30660, 685968), (31248, 673060), (31682, 663840), (32270, 651744), (32704, 643095), (33192, 633640), (33653, 624960), (33945, 619584), (34720, 605754), (35040, 600222), (36208, 580860), (36792, 571640), (36880, 570276), (38724, 543120), (39060, 538448), (40734, 516320), (40880, 514476), (41490, 506912), (41664, 504795), (42048, 500185), (42873, 490560), (44256, 475230), (44640, 471142), (45260, 464688), (45990, 457312), (47523, 442560), (48405, 434496), (49056, 428730), (51632, 407340), (52080, 403836), (52560, 400148), (54312, 387240), (55320, 380184), (57164, 367920), (58086, 362080), (61320, 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