21086427600

素因数分解:

$2^4\times 3^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 960

約数和(自身を含む): 91340820480

約数和(自身を除く): 70254392880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 46, 48, 50, 54, 56, 60, 63, 67, 69, 70, 72, 75, 80, 84, 90, 92, 100, 105, 108, 112, 115, 120, 126, 134, 135, 138, 140, 144, 150, 161, 168, 175, 180, 181, 184, 189, 200, 201, 207, 210, 216, 225, 230, 240, 252, 268, 270, 276, 280, 300, 315, 322, 335, 336, 345, 350, 360, 362, 368, 378, 400, 402, 414, 420, 432, 450, 460, 469, 483, 504, 525, 536, 540, 543, 552, 560, 575, 600, 603, 621, 630, 644, 670, 675, 690, 700, 720, 724, 756, 804, 805, 828, 840, 900, 905, 920, 938, 945, 966, 1005, 1008, 1035, 1050, 1072, 1080, 1086, 1104, 1150, 1200, 1206, 1242, 1260, 1267, 1288, 1340, 1350, 1380, 1400, 1407, 1448, 1449, 1512, 1541, 1575, 1608, 1610, 1629, 1656, 1675, 1680, 1725, 1800, 1809, 1810, 1840, 1876, 1890, 1932, 2010, 2070, 2100, 2160, 2172, 2300, 2345, 2412, 2415, 2484, 2520, 2534, 2576, 2680, 2700, 2715, 2760, 2800, 2814, 2896, 2898, 3015, 3024, 3082, 3105, 3150, 3216, 3220, 3258, 3312, 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29141, 30150, 30408, 30820, 31050, 31675, 32200, 32361, 32580, 33304, 33768, 34209, 34776, 35175, 36180, 36200, 36225, 36381, 36984, 37467, 37520, 37800, 38010, 38525, 38640, 39096, 40200, 40725, 41400, 41607, 41630, 42210, 43148, 43440, 43470, 45225, 45612, 46230, 46900, 48240, 48300, 48508, 48870, 49680, 49956, 50652, 50680, 53935, 54300, 55476, 56280, 57015, 57960, 58282, 60300, 60635, 60816, 61640, 62100, 62445, 63315, 63350, 64400, 64722, 65160, 66608, 67536, 68418, 69345, 69552, 70350, 72360, 72400, 72450, 72762, 73968, 74934, 75600, 76020, 77050, 78192, 80400, 81450, 82800, 83214, 83260, 84420, 84889, 86296, 86940, 87423, 90450, 91224, 92460, 93800, 95025, 96600, 97016, 97083, 97740, 99912, 101304, 101360, 104075, 105525, 107870, 108600, 108675, 109143, 110952, 112401, 112560, 114030, 115575, 115920, 116564, 120600, 121270, 122175, 123280, 124200, 124890, 126630, 126700, 129444, 130320, 136836, 138690, 140700, 144720, 144900, 145524, 145705, 149868, 152040, 154100, 161805, 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727620, 728525, 749340, 760200, 764001, 776664, 786807, 809025, 832140, 832600, 836763, 844200, 848890, 855225, 862960, 869400, 873144, 874230, 899208, 909525, 912240, 924600, 936675, 970160, 970830, 977400, 999120, 1013040, 1018668, 1040175, 1049076, 1078700, 1091430, 1109520, 1115684, 1124010, 1140300, 1164996, 1165640, 1212700, 1248900, 1266300, 1273335, 1294440, 1309716, 1311345, 1358224, 1368360, 1386900, 1394605, 1398768, 1455240, 1456245, 1457050, 1498680, 1520400, 1528002, 1553328, 1573614, 1618050, 1637145, 1664280, 1665200, 1673526, 1688400, 1697780, 1710450, 1738800, 1746288, 1748460, 1798416, 1819050, 1849200, 1873350, 1941660, 1952447, 1954800, 2037336, 2080350, 2098152, 2122225, 2157400, 2182860, 2185575, 2231368, 2248020, 2280600, 2292003, 2329992, 2331280, 2425400, 2427075, 2497800, 2510289, 2532600, 2546670, 2588880, 2619432, 2622690, 2728575, 2736720, 2773800, 2789210, 2810025, 2910480, 2912490, 2914100, 2997360, 3056004, 3147228, 3236100, 3274290, 3328560, 3347052, 3395560, 3420900, 3496920, 3638100, 3746700, 3820005, 3883320, 3904894, 3934035, 4074672, 4160700, 4183815, 4196304, 4244450, 4314800, 4365720, 4371150, 4462736, 4496040, 4561200, 4584006, 4659984, 4850800, 4854150, 4995600, 5020578, 5065200, 5093340, 5238864, 5245380, 5457150, 5547600, 5578420, 5620050, 5824980, 5828200, 5857341, 6112008, 6294456, 6366675, 6472200, 6548580, 6556725, 6694104, 6791120, 6841800, 6973025, 6993840, 7276200, 7281225, 7493400, 7530867, 7640010, 7766640, 7809788, 7868070, 8185725, 8321400, 8367630, 8488900, 8731440, 8742300, 8992080, 9168012, 9708300, 9762235, 10041156, 10186680, 10490760, 10914300, 11156840, 11240100, 11460015, 11649960, 11656400, 11714682, 12224016, 12551445, 12588912, 12733350, 12944400, 13097160, 13113450, 13388208, 13683600, 13946050, 14552400, 14562450, 14986800, 15061734, 15280020, 15619576, 15736140, 16371450, 16642800, 16735260, 16977800, 17484600, 17572023, 18336024, 19100025, 19416600, 19524470, 19670175, 20082312, 20373360, 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約数ペア:

[(1, 21086427600), (2, 10543213800), (3, 7028809200), (4, 5271606900), (5, 4217285520), (6, 3514404600), (7, 3012346800), (8, 2635803450), (9, 2342936400), (10, 2108642760), (12, 1757202300), (14, 1506173400), (15, 1405761840), (16, 1317901725), (18, 1171468200), (20, 1054321380), (21, 1004115600), (23, 916801200), (24, 878601150), (25, 843457104), (27, 780978800), (28, 753086700), (30, 702880920), (35, 602469360), (36, 585734100), (40, 527160690), (42, 502057800), (45, 468587280), (46, 458400600), (48, 439300575), (50, 421728552), (54, 390489400), (56, 376543350), (60, 351440460), (63, 334705200), (67, 314722800), (69, 305600400), (70, 301234680), (72, 292867050), (75, 281152368), (80, 263580345), (84, 251028900), (90, 234293640), (92, 229200300), (100, 210864276), (105, 200823120), (108, 195244700), (112, 188271675), (115, 183360240), (120, 175720230), (126, 167352600), (134, 157361400), (135, 156195760), (138, 152800200), (140, 150617340), (144, 146433525), (150, 140576184), (161, 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