21031772160

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^3\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 448

約数和(自身を含む): 78638400000

約数和(自身を除く): 57606627840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 499, 512, 560, 588, 640, 672, 686, 735, 768, 784, 840, 896, 960, 980, 998, 1024, 1029, 1120, 1176, 1280, 1344, 1372, 1470, 1497, 1536, 1568, 1680, 1715, 1792, 1920, 1960, 1996, 2048, 2058, 2240, 2352, 2495, 2560, 2688, 2744, 2940, 2994, 3072, 3136, 3360, 3430, 3493, 3584, 3840, 3920, 3992, 4096, 4116, 4480, 4704, 4990, 5120, 5145, 5376, 5488, 5880, 5988, 6144, 6272, 6720, 6860, 6986, 7168, 7485, 7680, 7840, 7984, 8192, 8232, 8960, 9408, 9980, 10240, 10290, 10479, 10752, 10976, 11760, 11976, 12288, 12544, 13440, 13720, 13972, 14336, 14970, 15360, 15680, 15968, 16464, 17465, 17920, 18816, 19960, 20480, 20580, 20958, 21504, 21952, 23520, 23952, 24451, 24576, 25088, 26880, 27440, 27944, 28672, 29940, 30720, 31360, 31936, 32928, 34930, 35840, 37632, 39920, 40960, 41160, 41916, 43008, 43904, 47040, 47904, 48902, 50176, 52395, 53760, 54880, 55888, 57344, 59880, 61440, 62720, 63872, 65856, 69860, 71680, 73353, 75264, 79840, 82320, 83832, 86016, 87808, 94080, 95808, 97804, 100352, 104790, 107520, 109760, 111776, 119760, 122255, 122880, 125440, 127744, 131712, 139720, 143360, 146706, 150528, 159680, 164640, 167664, 171157, 172032, 175616, 188160, 191616, 195608, 200704, 209580, 215040, 219520, 223552, 239520, 244510, 250880, 255488, 263424, 279440, 286720, 293412, 301056, 319360, 329280, 335328, 342314, 351232, 366765, 376320, 383232, 391216, 401408, 419160, 430080, 439040, 447104, 479040, 489020, 501760, 510976, 513471, 526848, 558880, 586824, 602112, 638720, 658560, 670656, 684628, 702464, 733530, 752640, 766464, 782432, 838320, 855785, 860160, 878080, 894208, 958080, 978040, 1003520, 1021952, 1026942, 1053696, 1117760, 1173648, 1204224, 1277440, 1317120, 1341312, 1369256, 1404928, 1467060, 1505280, 1532928, 1564864, 1676640, 1711570, 1756160, 1788416, 1916160, 1956080, 2007040, 2043904, 2053884, 2107392, 2235520, 2347296, 2554880, 2567355, 2634240, 2682624, 2738512, 2809856, 2934120, 3010560, 3065856, 3129728, 3353280, 3423140, 3512320, 3576832, 3832320, 3912160, 4087808, 4107768, 4214784, 4471040, 4694592, 5109760, 5134710, 5268480, 5365248, 5477024, 5868240, 6021120, 6131712, 6259456, 6706560, 6846280, 7024640, 7153664, 7664640, 7824320, 8215536, 8429568, 8942080, 9389184, 10219520, 10269420, 10536960, 10730496, 10954048, 11736480, 12263424, 12518912, 13413120, 13692560, 14049280, 14307328, 15329280, 15648640, 16431072, 17884160, 18778368, 20439040, 20538840, 21073920, 21460992, 21908096, 23472960, 25037824, 26826240, 27385120, 28614656, 30658560, 31297280, 32862144, 35768320, 37556736, 41077680, 42147840, 42921984, 43816192, 46945920, 50075648, 53652480, 54770240, 61317120, 62594560, 65724288, 71536640, 75113472, 82155360, 85843968, 87632384, 93891840, 100151296, 107304960, 109540480, 125189120, 131448576, 143073280, 150226944, 164310720, 175264768, 187783680, 200302592, 214609920, 219080960, 250378240, 262897152, 300453888, 328621440, 350529536, 375567360, 429219840, 438161920, 500756480, 525794304, 600907776, 657242880, 701059072, 751134720, 876323840, 1001512960, 1051588608, 1314485760, 1402118144, 1502269440, 1752647680, 2103177216, 2628971520, 3004538880, 3505295360, 4206354432, 5257943040, 7010590720, 10515886080, 21031772160]

約数ペア:

[(1, 21031772160), (2, 10515886080), (3, 7010590720), (4, 5257943040), (5, 4206354432), (6, 3505295360), (7, 3004538880), (8, 2628971520), (10, 2103177216), (12, 1752647680), (14, 1502269440), (15, 1402118144), (16, 1314485760), (20, 1051588608), (21, 1001512960), (24, 876323840), (28, 751134720), (30, 701059072), (32, 657242880), (35, 600907776), (40, 525794304), (42, 500756480), (48, 438161920), (49, 429219840), (56, 375567360), (60, 350529536), (64, 328621440), (70, 300453888), (80, 262897152), (84, 250378240), (96, 219080960), (98, 214609920), (105, 200302592), (112, 187783680), (120, 175264768), (128, 164310720), (140, 150226944), (147, 143073280), (160, 131448576), (168, 125189120), (192, 109540480), (196, 107304960), (210, 100151296), (224, 93891840), (240, 87632384), (245, 85843968), (256, 82155360), (280, 75113472), (294, 71536640), (320, 65724288), (336, 62594560), (343, 61317120), (384, 54770240), (392, 53652480), (420, 50075648), (448, 46945920), (480, 43816192), (490, 42921984), (499, 42147840), (512, 41077680), (560, 37556736), (588, 35768320), (640, 32862144), (672, 31297280), (686, 30658560), (735, 28614656), (768, 27385120), (784, 26826240), (840, 25037824), (896, 23472960), (960, 21908096), (980, 21460992), (998, 21073920), (1024, 20538840), (1029, 20439040), (1120, 18778368), (1176, 17884160), (1280, 16431072), (1344, 15648640), (1372, 15329280), (1470, 14307328), (1497, 14049280), (1536, 13692560), (1568, 13413120), (1680, 12518912), (1715, 12263424), (1792, 11736480), (1920, 10954048), (1960, 10730496), (1996, 10536960), (2048, 10269420), (2058, 10219520), (2240, 9389184), (2352, 8942080), (2495, 8429568), (2560, 8215536), (2688, 7824320), (2744, 7664640), (2940, 7153664), (2994, 7024640), (3072, 6846280), (3136, 6706560), (3360, 6259456), (3430, 6131712), (3493, 6021120), (3584, 5868240), (3840, 5477024), (3920, 5365248), (3992, 5268480), (4096, 5134710), (4116, 5109760), (4480, 4694592), (4704, 4471040), (4990, 4214784), (5120, 4107768), (5145, 4087808), (5376, 3912160), (5488, 3832320), (5880, 3576832), (5988, 3512320), (6144, 3423140), (6272, 3353280), (6720, 3129728), (6860, 3065856), (6986, 3010560), (7168, 2934120), (7485, 2809856), (7680, 2738512), (7840, 2682624), (7984, 2634240), (8192, 2567355), (8232, 2554880), (8960, 2347296), (9408, 2235520), (9980, 2107392), (10240, 2053884), (10290, 2043904), (10479, 2007040), (10752, 1956080), (10976, 1916160), (11760, 1788416), (11976, 1756160), (12288, 1711570), (12544, 1676640), (13440, 1564864), (13720, 1532928), (13972, 1505280), (14336, 1467060), (14970, 1404928), (15360, 1369256), (15680, 1341312), (15968, 1317120), (16464, 1277440), (17465, 1204224), (17920, 1173648), (18816, 1117760), (19960, 1053696), (20480, 1026942), (20580, 1021952), (20958, 1003520), (21504, 978040), (21952, 958080), (23520, 894208), (23952, 878080), (24451, 860160), (24576, 855785), (25088, 838320), (26880, 782432), (27440, 766464), (27944, 752640), (28672, 733530), (29940, 702464), (30720, 684628), (31360, 670656), (31936, 658560), (32928, 638720), (34930, 602112), (35840, 586824), (37632, 558880), (39920, 526848), (40960, 513471), (41160, 510976), (41916, 501760), (43008, 489020), (43904, 479040), (47040, 447104), (47904, 439040), (48902, 430080), (50176, 419160), (52395, 401408), (53760, 391216), (54880, 383232), (55888, 376320), (57344, 366765), (59880, 351232), (61440, 342314), (62720, 335328), (63872, 329280), (65856, 319360), (69860, 301056), (71680, 293412), (73353, 286720), (75264, 279440), (79840, 263424), (82320, 255488), (83832, 250880), (86016, 244510), (87808, 239520), (94080, 223552), (95808, 219520), (97804, 215040), (100352, 209580), (104790, 200704), (107520, 195608), (109760, 191616), (111776, 188160), (119760, 175616), (122255, 172032), (122880, 171157), (125440, 167664), (127744, 164640), (131712, 159680), (139720, 150528), (143360, 146706)]