21052206720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1733}}^1$

素因数の和:1817

約数の個数: 512

約数和(自身を含む): 80651808000

約数和(自身を除く): 59599601280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 37, 38, 40, 45, 48, 54, 57, 60, 64, 72, 74, 76, 80, 90, 95, 96, 108, 111, 114, 120, 128, 135, 144, 148, 152, 160, 171, 180, 185, 190, 192, 216, 222, 228, 240, 270, 285, 288, 296, 304, 320, 333, 342, 360, 370, 380, 384, 432, 444, 456, 480, 513, 540, 555, 570, 576, 592, 608, 640, 666, 684, 703, 720, 740, 760, 855, 864, 888, 912, 960, 999, 1026, 1080, 1110, 1140, 1152, 1184, 1216, 1332, 1368, 1406, 1440, 1480, 1520, 1665, 1710, 1728, 1733, 1776, 1824, 1920, 1998, 2052, 2109, 2160, 2220, 2280, 2368, 2432, 2565, 2664, 2736, 2812, 2880, 2960, 3040, 3330, 3420, 3456, 3466, 3515, 3552, 3648, 3996, 4104, 4218, 4320, 4440, 4560, 4736, 4995, 5130, 5199, 5328, 5472, 5624, 5760, 5920, 6080, 6327, 6660, 6840, 6932, 7030, 7104, 7296, 7992, 8208, 8436, 8640, 8665, 8880, 9120, 9990, 10260, 10398, 10545, 10656, 10944, 11248, 11840, 12160, 12654, 13320, 13680, 13864, 14060, 14208, 15597, 15984, 16416, 16872, 17280, 17330, 17760, 18240, 18981, 19980, 20520, 20796, 21090, 21312, 21888, 22496, 23680, 25308, 25995, 26640, 27360, 27728, 28120, 31194, 31635, 31968, 32832, 32927, 33744, 34660, 35520, 36480, 37962, 39960, 41040, 41592, 42180, 42624, 44992, 46791, 50616, 51990, 53280, 54720, 55456, 56240, 62388, 63270, 63936, 64121, 65664, 65854, 67488, 69320, 71040, 75924, 77985, 79920, 82080, 83184, 84360, 89984, 93582, 94905, 98781, 101232, 103980, 106560, 109440, 110912, 112480, 124776, 126540, 127872, 128242, 131708, 134976, 138640, 151848, 155970, 159840, 164160, 164635, 166368, 168720, 187164, 189810, 192363, 197562, 202464, 207960, 213120, 221824, 224960, 233955, 249552, 253080, 256484, 263416, 269952, 277280, 296343, 303696, 311940, 319680, 320605, 328320, 329270, 332736, 337440, 374328, 379620, 384726, 395124, 404928, 415920, 449920, 467910, 493905, 499104, 506160, 512968, 526832, 554560, 577089, 592686, 607392, 623880, 639360, 641210, 658540, 665472, 674880, 748656, 759240, 769452, 790248, 809856, 831840, 889029, 935820, 961815, 987810, 998208, 1012320, 1025936, 1053664, 1109120, 1154178, 1185372, 1214784, 1218299, 1247760, 1282420, 1317080, 1349760, 1481715, 1497312, 1518480, 1538904, 1580496, 1663680, 1731267, 1778058, 1871640, 1923630, 1975620, 1996416, 2024640, 2051872, 2107328, 2308356, 2370744, 2429568, 2436598, 2495520, 2564840, 2634160, 2885445, 2963430, 2994624, 3036960, 3077808, 3160992, 3327360, 3462534, 3556116, 3654897, 3743280, 3847260, 3951240, 4049280, 4103744, 4214656, 4445145, 4616712, 4741488, 4873196, 4991040, 5129680, 5268320, 5770890, 5926860, 5989248, 6073920, 6091495, 6155616, 6321984, 6925068, 7112232, 7309794, 7486560, 7694520, 7902480, 8207488, 8656335, 8890290, 9233424, 9482976, 9746392, 9982080, 10259360, 10536640, 10964691, 11541780, 11853720, 12147840, 12182990, 12311232, 12643968, 13850136, 14224464, 14619588, 14973120, 15389040, 15804960, 17312670, 17780580, 18274485, 18466848, 18965952, 19492784, 20518720, 21073280, 21929382, 23083560, 23707440, 24365980, 24622464, 27700272, 28448928, 29239176, 29946240, 30778080, 31609920, 32894073, 34625340, 35561160, 36548970, 36933696, 37931904, 38985568, 41037440, 43858764, 46167120, 47414880, 48731960, 54823455, 55400544, 56897856, 58478352, 61556160, 63219840, 65788146, 69250680, 71122320, 73097940, 73867392, 77971136, 87717528, 92334240, 94829760, 97463920, 109646910, 110801088, 113795712, 116956704, 123112320, 131576292, 138501360, 142244640, 146195880, 155942272, 164470365, 175435056, 184668480, 189659520, 194927840, 219293820, 221602176, 233913408, 263152584, 277002720, 284489280, 292391760, 328940730, 350870112, 369336960, 389855680, 438587640, 467826816, 526305168, 554005440, 568978560, 584783520, 657881460, 701740224, 779711360, 877175280, 1052610336, 1108010880, 1169567040, 1315762920, 1403480448, 1754350560, 2105220672, 2339134080, 2631525840, 3508701120, 4210441344, 5263051680, 7017402240, 10526103360, 21052206720]

約数ペア:

[(1, 21052206720), (2, 10526103360), (3, 7017402240), (4, 5263051680), (5, 4210441344), (6, 3508701120), (8, 2631525840), (9, 2339134080), (10, 2105220672), (12, 1754350560), (15, 1403480448), (16, 1315762920), (18, 1169567040), (19, 1108010880), (20, 1052610336), (24, 877175280), (27, 779711360), (30, 701740224), (32, 657881460), (36, 584783520), (37, 568978560), (38, 554005440), (40, 526305168), (45, 467826816), (48, 438587640), (54, 389855680), (57, 369336960), (60, 350870112), (64, 328940730), (72, 292391760), (74, 284489280), (76, 277002720), (80, 263152584), (90, 233913408), (95, 221602176), (96, 219293820), (108, 194927840), (111, 189659520), (114, 184668480), (120, 175435056), (128, 164470365), (135, 155942272), (144, 146195880), (148, 142244640), (152, 138501360), (160, 131576292), (171, 123112320), (180, 116956704), (185, 113795712), (190, 110801088), (192, 109646910), (216, 97463920), (222, 94829760), (228, 92334240), (240, 87717528), (270, 77971136), (285, 73867392), (288, 73097940), (296, 71122320), (304, 69250680), (320, 65788146), (333, 63219840), (342, 61556160), (360, 58478352), (370, 56897856), (380, 55400544), (384, 54823455), (432, 48731960), (444, 47414880), (456, 46167120), (480, 43858764), (513, 41037440), (540, 38985568), (555, 37931904), (570, 36933696), (576, 36548970), (592, 35561160), (608, 34625340), (640, 32894073), (666, 31609920), (684, 30778080), (703, 29946240), (720, 29239176), (740, 28448928), (760, 27700272), (855, 24622464), (864, 24365980), (888, 23707440), (912, 23083560), (960, 21929382), (999, 21073280), (1026, 20518720), (1080, 19492784), (1110, 18965952), (1140, 18466848), (1152, 18274485), (1184, 17780580), (1216, 17312670), (1332, 15804960), (1368, 15389040), (1406, 14973120), (1440, 14619588), (1480, 14224464), (1520, 13850136), (1665, 12643968), (1710, 12311232), (1728, 12182990), (1733, 12147840), (1776, 11853720), (1824, 11541780), (1920, 10964691), (1998, 10536640), (2052, 10259360), (2109, 9982080), (2160, 9746392), (2220, 9482976), (2280, 9233424), (2368, 8890290), (2432, 8656335), (2565, 8207488), (2664, 7902480), (2736, 7694520), (2812, 7486560), (2880, 7309794), (2960, 7112232), (3040, 6925068), (3330, 6321984), (3420, 6155616), (3456, 6091495), (3466, 6073920), (3515, 5989248), (3552, 5926860), (3648, 5770890), (3996, 5268320), (4104, 5129680), (4218, 4991040), (4320, 4873196), (4440, 4741488), (4560, 4616712), (4736, 4445145), (4995, 4214656), (5130, 4103744), (5199, 4049280), (5328, 3951240), (5472, 3847260), (5624, 3743280), (5760, 3654897), (5920, 3556116), (6080, 3462534), (6327, 3327360), (6660, 3160992), (6840, 3077808), (6932, 3036960), (7030, 2994624), (7104, 2963430), (7296, 2885445), (7992, 2634160), (8208, 2564840), (8436, 2495520), (8640, 2436598), (8665, 2429568), (8880, 2370744), (9120, 2308356), (9990, 2107328), (10260, 2051872), (10398, 2024640), (10545, 1996416), (10656, 1975620), (10944, 1923630), (11248, 1871640), (11840, 1778058), (12160, 1731267), (12654, 1663680), (13320, 1580496), (13680, 1538904), (13864, 1518480), (14060, 1497312), (14208, 1481715), (15597, 1349760), (15984, 1317080), (16416, 1282420), (16872, 1247760), (17280, 1218299), (17330, 1214784), (17760, 1185372), (18240, 1154178), (18981, 1109120), (19980, 1053664), (20520, 1025936), (20796, 1012320), (21090, 998208), (21312, 987810), (21888, 961815), (22496, 935820), (23680, 889029), (25308, 831840), (25995, 809856), (26640, 790248), (27360, 769452), (27728, 759240), (28120, 748656), (31194, 674880), (31635, 665472), (31968, 658540), (32832, 641210), (32927, 639360), (33744, 623880), (34660, 607392), (35520, 592686), (36480, 577089), (37962, 554560), (39960, 526832), (41040, 512968), (41592, 506160), (42180, 499104), (42624, 493905), (44992, 467910), (46791, 449920), (50616, 415920), (51990, 404928), (53280, 395124), (54720, 384726), (55456, 379620), (56240, 374328), (62388, 337440), (63270, 332736), (63936, 329270), (64121, 328320), (65664, 320605), (65854, 319680), (67488, 311940), (69320, 303696), (71040, 296343), (75924, 277280), (77985, 269952), (79920, 263416), (82080, 256484), (83184, 253080), (84360, 249552), (89984, 233955), (93582, 224960), (94905, 221824), (98781, 213120), (101232, 207960), (103980, 202464), (106560, 197562), (109440, 192363), (110912, 189810), (112480, 187164), (124776, 168720), (126540, 166368), (127872, 164635), (128242, 164160), (131708, 159840), (134976, 155970), (138640, 151848)]