21255664073280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{96821}}^1$

素因数の和:97227

約数の個数: 672

約数和(自身を含む): 84780193639680

約数和(自身を除く): 63524529566400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 192, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 320, 336, 359, 364, 390, 392, 416, 420, 448, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 718, 728, 735, 780, 784, 832, 840, 910, 960, 980, 1040, 1077, 1092, 1120, 1176, 1248, 1274, 1344, 1365, 1436, 1456, 1470, 1560, 1568, 1680, 1795, 1820, 1911, 1960, 2080, 2154, 2184, 2240, 2352, 2496, 2513, 2548, 2730, 2872, 2912, 2940, 3120, 3136, 3185, 3360, 3590, 3640, 3822, 3920, 4160, 4308, 4368, 4667, 4704, 5026, 5096, 5385, 5460, 5744, 5824, 5880, 6240, 6370, 6720, 7180, 7280, 7539, 7644, 7840, 8616, 8736, 9334, 9408, 9555, 10052, 10192, 10770, 10920, 11488, 11760, 12480, 12565, 12740, 14001, 14360, 14560, 15078, 15288, 15680, 17232, 17472, 17591, 18668, 19110, 20104, 20384, 21540, 21840, 22976, 23335, 23520, 25130, 25480, 28002, 28720, 29120, 30156, 30576, 32669, 34464, 35182, 37336, 37695, 38220, 40208, 40768, 43080, 43680, 46670, 47040, 50260, 50960, 52773, 56004, 57440, 60312, 61152, 65338, 68928, 70005, 70364, 74672, 75390, 76440, 80416, 86160, 87360, 87955, 93340, 96821, 98007, 100520, 101920, 105546, 112008, 114880, 120624, 122304, 130676, 140010, 140728, 149344, 150780, 152880, 160832, 163345, 172320, 175910, 186680, 193642, 196014, 201040, 203840, 211092, 224016, 228683, 241248, 261352, 263865, 280020, 281456, 290463, 298688, 301560, 305760, 326690, 344640, 351820, 373360, 387284, 392028, 402080, 422184, 448032, 457366, 482496, 484105, 490035, 522704, 527730, 560040, 562912, 580926, 603120, 611520, 653380, 677747, 686049, 703640, 746720, 774568, 784056, 804160, 844368, 896064, 914732, 968210, 980070, 1045408, 1055460, 1120080, 1125824, 1143415, 1161852, 1206240, 1258673, 1306760, 1355494, 1372098, 1407280, 1452315, 1493440, 1549136, 1568112, 1688736, 1829464, 1936420, 1960140, 2033241, 2090816, 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1518153280, 1668419472, 1691656512, 1703178211, 1807454428, 1850249310, 1946489384, 1973599264, 2085524340, 2114570640, 2224559296, 2259318035, 2277229920, 2433111730, 2466999080, 2711181642, 2780699120, 2819427520, 2919734076, 2960398896, 3163045249, 3336838944, 3406356422, 3614908856, 3649667595, 3700498620, 3892978768, 3947198528, 4171048680, 4229141280, 4518636070, 4554459840, 4866223460, 4933998160, 5109534633, 5422363284, 5561398240, 5839468152, 5920797792, 6326090498, 6673677888, 6777954105, 6812712844, 7229817712, 7299335190, 7400997240, 7785957536, 8342097360, 8458282560, 8515891055, 9037272140, 9489135747, 9732446920, 9867996320, 10219069266, 10844726568, 11122796480, 11678936304, 11841595584, 12652180996, 13555908210, 13625425688, 14459635424, 14598670380, 14801994480, 15571915072, 15815226245, 16684194720, 17031782110, 18074544280, 18978271494, 19464893840, 19735992640, 20438138532, 21689453136, 22141316743, 23357872608, 25304361992, 25547673165, 27111816420, 27250851376, 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約数ペア:

[(1, 21255664073280), (2, 10627832036640), (3, 7085221357760), (4, 5313916018320), (5, 4251132814656), (6, 3542610678880), (7, 3036523439040), (8, 2656958009160), (10, 2125566407328), (12, 1771305339440), (13, 1635051082560), (14, 1518261719520), (15, 1417044271552), (16, 1328479004580), (20, 1062783203664), (21, 1012174479680), (24, 885652669720), (26, 817525541280), (28, 759130859760), (30, 708522135776), (32, 664239502290), (35, 607304687808), (39, 545017027520), (40, 531391601832), (42, 506087239840), (48, 442826334860), (49, 433789062720), (52, 408762770640), (56, 379565429880), (60, 354261067888), (64, 332119751145), (65, 327010216512), (70, 303652343904), (78, 272508513760), (80, 265695800916), (84, 253043619920), (91, 233578726080), (96, 221413167430), (98, 216894531360), (104, 204381385320), (105, 202434895936), (112, 189782714940), (120, 177130533944), (130, 163505108256), (140, 151826171952), (147, 144596354240), (156, 136254256880), (160, 132847900458), (168, 126521809960), 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