21200901120

素因数分解:

$2^{10}\times 3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 880

約数和(自身を含む): 88929540480

約数和(自身を除く): 67728639360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 67, 70, 72, 80, 81, 84, 90, 96, 105, 108, 109, 112, 120, 126, 128, 134, 135, 140, 144, 160, 162, 168, 180, 189, 192, 201, 210, 216, 218, 224, 240, 252, 256, 268, 270, 280, 288, 315, 320, 324, 327, 335, 336, 360, 378, 384, 402, 405, 420, 432, 436, 448, 469, 480, 504, 512, 536, 540, 545, 560, 567, 576, 603, 630, 640, 648, 654, 670, 672, 720, 756, 763, 768, 804, 810, 840, 864, 872, 896, 938, 945, 960, 981, 1005, 1008, 1024, 1072, 1080, 1090, 1120, 1134, 1152, 1206, 1260, 1280, 1296, 1308, 1340, 1344, 1407, 1440, 1512, 1526, 1536, 1608, 1620, 1635, 1680, 1728, 1744, 1792, 1809, 1876, 1890, 1920, 1962, 2010, 2016, 2144, 2160, 2180, 2240, 2268, 2289, 2304, 2345, 2412, 2520, 2560, 2592, 2616, 2680, 2688, 2814, 2835, 2880, 2943, 3015, 3024, 3052, 3072, 3216, 3240, 3270, 3360, 3456, 3488, 3584, 3618, 3752, 3780, 3815, 3840, 3924, 4020, 4032, 4221, 4288, 4320, 4360, 4480, 4536, 4578, 4608, 4690, 4824, 4905, 5040, 5120, 5184, 5232, 5360, 5376, 5427, 5628, 5670, 5760, 5886, 6030, 6048, 6104, 6432, 6480, 6540, 6720, 6867, 6912, 6976, 7035, 7168, 7236, 7303, 7504, 7560, 7630, 7680, 7848, 8040, 8064, 8442, 8576, 8640, 8720, 8829, 8960, 9045, 9072, 9156, 9216, 9380, 9648, 9810, 10080, 10368, 10464, 10720, 10752, 10854, 11256, 11340, 11445, 11520, 11772, 12060, 12096, 12208, 12663, 12864, 12960, 13080, 13440, 13734, 13824, 13952, 14070, 14472, 14606, 14715, 15008, 15120, 15260, 15360, 15696, 16080, 16128, 16884, 17152, 17280, 17440, 17658, 17920, 18090, 18144, 18312, 18760, 19296, 19620, 20160, 20601, 20736, 20928, 21105, 21440, 21504, 21708, 21909, 22512, 22680, 22890, 23040, 23544, 24120, 24192, 24416, 25326, 25728, 25920, 26160, 26880, 27135, 27468, 27648, 27904, 28140, 28944, 29212, 29430, 30016, 30240, 30520, 31392, 32160, 32256, 33768, 34304, 34335, 34560, 34880, 35316, 35840, 36180, 36288, 36515, 36624, 37520, 37989, 38592, 39240, 40320, 41202, 41472, 41856, 42210, 42880, 43416, 43818, 44145, 45024, 45360, 45780, 46080, 47088, 48240, 48384, 48832, 50652, 51121, 51456, 51840, 52320, 53760, 54270, 54936, 55808, 56280, 57888, 58424, 58860, 60032, 60480, 61040, 61803, 62784, 63315, 64320, 64512, 65727, 67536, 68608, 68670, 69120, 69760, 70632, 72360, 72576, 73030, 73248, 75040, 75978, 77184, 78480, 80640, 82404, 82944, 83712, 84420, 85760, 86832, 87636, 88290, 90048, 90720, 91560, 94176, 96480, 96768, 97664, 101304, 102242, 102912, 103005, 103680, 104640, 107520, 108540, 109545, 109872, 111616, 112560, 115776, 116848, 117720, 120064, 120960, 122080, 123606, 125568, 126630, 128640, 131454, 135072, 137340, 138240, 139520, 141264, 144720, 145152, 146060, 146496, 150080, 151956, 153363, 154368, 156960, 161280, 164808, 167424, 168840, 171520, 173664, 175272, 176580, 180096, 181440, 183120, 188352, 189945, 192960, 193536, 195328, 197181, 202608, 204484, 205824, 206010, 207360, 209280, 217080, 219090, 219744, 225120, 231552, 233696, 235440, 240128, 241920, 244160, 247212, 251136, 253260, 255605, 257280, 262908, 270144, 274680, 279040, 282528, 289440, 290304, 292120, 292992, 300160, 303912, 306726, 308736, 309015, 313920, 322560, 328635, 329616, 334848, 337680, 343040, 347328, 350544, 353160, 360192, 362880, 366240, 376704, 379890, 385920, 390656, 394362, 405216, 408968, 412020, 414720, 418560, 434160, 438180, 439488, 450240, 460089, 463104, 467392, 470880, 480256, 483840, 488320, 494424, 502272, 506520, 511210, 514560, 525816, 540288, 549360, 558080, 565056, 578880, 580608, 584240, 585984, 591543, 600320, 607824, 613452, 617472, 618030, 627840, 657270, 659232, 675360, 694656, 701088, 706320, 720384, 725760, 732480, 753408, 759780, 766815, 771840, 781312, 788724, 810432, 817936, 824040, 837120, 868320, 876360, 878976, 900480, 920178, 926208, 934784, 941760, 967680, 976640, 985905, 988848, 1004544, 1013040, 1022420, 1029120, 1051632, 1080576, 1098720, 1130112, 1157760, 1168480, 1171968, 1183086, 1200640, 1215648, 1226904, 1236060, 1255680, 1314540, 1318464, 1350720, 1380267, 1389312, 1402176, 1412640, 1440768, 1451520, 1464960, 1506816, 1519560, 1533630, 1543680, 1577448, 1620864, 1635872, 1648080, 1674240, 1736640, 1752720, 1757952, 1800960, 1840356, 1852416, 1869568, 1883520, 1953280, 1971810, 1977696, 2026080, 2044840, 2103264, 2161152, 2197440, 2260224, 2300445, 2315520, 2336960, 2343936, 2366172, 2401280, 2431296, 2453808, 2472120, 2511360, 2629080, 2636928, 2701440, 2760534, 2778624, 2804352, 2825280, 2903040, 2929920, 2957715, 3013632, 3039120, 3067260, 3087360, 3154896, 3241728, 3271744, 3296160, 3473280, 3505440, 3515904, 3601920, 3680712, 3739136, 3767040, 3906560, 3943620, 3955392, 4052160, 4089680, 4140801, 4206528, 4322304, 4394880, 4520448, 4600890, 4631040, 4673920, 4732344, 4862592, 4907616, 4944240, 5022720, 5258160, 5273856, 5402880, 5521068, 5557248, 5608704, 5650560, 5859840, 5915430, 6078240, 6134520, 6309792, 6483456, 6543488, 6592320, 6901335, 6946560, 7010880, 7031808, 7203840, 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約数ペア:

[(1, 21200901120), (2, 10600450560), (3, 7066967040), (4, 5300225280), (5, 4240180224), (6, 3533483520), (7, 3028700160), (8, 2650112640), (9, 2355655680), (10, 2120090112), (12, 1766741760), (14, 1514350080), (15, 1413393408), (16, 1325056320), (18, 1177827840), (20, 1060045056), (21, 1009566720), (24, 883370880), (27, 785218560), (28, 757175040), (30, 706696704), (32, 662528160), (35, 605740032), (36, 588913920), (40, 530022528), (42, 504783360), (45, 471131136), (48, 441685440), (54, 392609280), (56, 378587520), (60, 353348352), (63, 336522240), (64, 331264080), (67, 316431360), (70, 302870016), (72, 294456960), (80, 265011264), (81, 261739520), (84, 252391680), (90, 235565568), (96, 220842720), (105, 201913344), (108, 196304640), (109, 194503680), (112, 189293760), (120, 176674176), (126, 168261120), (128, 165632040), (134, 158215680), (135, 157043712), (140, 151435008), (144, 147228480), (160, 132505632), (162, 130869760), (168, 126195840), (180, 117782784), (189, 112174080), (192, 110421360), (201, 105477120), (210, 100956672), (216, 98152320), (218, 97251840), (224, 94646880), (240, 88337088), (252, 84130560), (256, 82816020), (268, 79107840), (270, 78521856), (280, 75717504), (288, 73614240), (315, 67304448), (320, 66252816), (324, 65434880), (327, 64834560), (335, 63286272), (336, 63097920), (360, 58891392), (378, 56087040), (384, 55210680), (402, 52738560), (405, 52347904), (420, 50478336), (432, 49076160), (436, 48625920), (448, 47323440), (469, 45204480), (480, 44168544), (504, 42065280), (512, 41408010), (536, 39553920), (540, 39260928), (545, 38900736), (560, 37858752), (567, 37391360), (576, 36807120), (603, 35159040), (630, 33652224), (640, 33126408), (648, 32717440), (654, 32417280), (670, 31643136), (672, 31548960), (720, 29445696), (756, 28043520), (763, 27786240), (768, 27605340), (804, 26369280), (810, 26173952), (840, 25239168), (864, 24538080), (872, 24312960), (896, 23661720), (938, 22602240), (945, 22434816), (960, 22084272), (981, 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