21076272000

素因数分解:

$2^7\times 3^2\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 1152

約数和(自身を含む): 91968177600

約数和(自身を除く): 70891905600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 49, 50, 56, 58, 60, 63, 64, 70, 72, 75, 80, 84, 87, 90, 96, 98, 100, 103, 105, 112, 116, 120, 125, 126, 128, 140, 144, 145, 147, 150, 160, 168, 174, 175, 180, 192, 196, 200, 203, 206, 210, 224, 225, 232, 240, 245, 250, 252, 261, 280, 288, 290, 294, 300, 309, 315, 320, 336, 348, 350, 360, 375, 384, 392, 400, 406, 412, 420, 435, 441, 448, 450, 464, 480, 490, 500, 504, 515, 522, 525, 560, 576, 580, 588, 600, 609, 618, 630, 640, 672, 696, 700, 720, 721, 725, 735, 750, 784, 800, 812, 824, 840, 870, 875, 882, 896, 900, 927, 928, 960, 980, 1000, 1008, 1015, 1030, 1044, 1050, 1120, 1125, 1152, 1160, 1176, 1200, 1218, 1225, 1236, 1260, 1305, 1344, 1392, 1400, 1421, 1440, 1442, 1450, 1470, 1500, 1545, 1568, 1575, 1600, 1624, 1648, 1680, 1740, 1750, 1764, 1800, 1827, 1854, 1856, 1920, 1960, 2000, 2016, 2030, 2060, 2088, 2100, 2163, 2175, 2205, 2240, 2250, 2320, 2352, 2400, 2436, 2450, 2472, 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16800, 17052, 17304, 17400, 17640, 17922, 18000, 18025, 18270, 18375, 18540, 18560, 18816, 19488, 19600, 19776, 20160, 20188, 20300, 20600, 20880, 20909, 21000, 21315, 21630, 21750, 22050, 22400, 22736, 23072, 23175, 23200, 23520, 23896, 24000, 24360, 24500, 24720, 25200, 25235, 25375, 25578, 25750, 25956, 25984, 26100, 26883, 27840, 28000, 28224, 28420, 28800, 28840, 29000, 29232, 29400, 29664, 29870, 30282, 30450, 30900, 31360, 31500, 32445, 32480, 32625, 32960, 33408, 33600, 34104, 34608, 34800, 35280, 35525, 35844, 36000, 36050, 36540, 36750, 37080, 38625, 38976, 39200, 39552, 40320, 40376, 40600, 41200, 41760, 41818, 42000, 42630, 43260, 43500, 44100, 44805, 45423, 45472, 45675, 46144, 46350, 46400, 47040, 47792, 48000, 48720, 49000, 49440, 50400, 50470, 50750, 51156, 51500, 51912, 52200, 53766, 54075, 55125, 55680, 56000, 56448, 56840, 57680, 58000, 58464, 58800, 59328, 59740, 60564, 60900, 61800, 62727, 63000, 63945, 64890, 64960, 65250, 65920, 67200, 68208, 69216, 69600, 70560, 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238960, 242256, 243600, 247200, 250908, 252000, 252350, 255780, 259560, 261000, 268830, 270375, 272832, 276864, 278400, 282240, 284200, 286752, 288400, 292320, 292726, 294000, 296640, 298700, 302820, 304500, 309000, 313635, 319725, 323008, 324450, 324800, 329600, 334544, 336000, 341040, 346080, 348000, 352800, 355250, 358440, 360500, 363384, 365400, 370800, 373375, 376362, 378525, 382336, 389760, 392000, 403760, 406000, 409248, 412000, 415296, 417600, 418180, 426300, 430128, 432600, 439089, 441000, 448050, 454230, 454720, 456750, 461440, 463500, 464000, 470400, 477920, 484512, 487200, 494400, 501816, 504000, 504700, 511560, 519120, 522000, 522725, 532875, 537660, 540750, 545664, 568400, 573504, 576800, 584640, 585452, 588000, 593280, 597400, 605640, 609000, 618000, 627270, 630875, 639450, 646016, 648900, 649600, 669088, 672075, 682080, 692160, 696000, 705600, 710500, 716880, 721000, 726768, 730800, 731815, 741600, 746750, 752724, 757050, 784000, 807520, 811125, 812000, 818496, 824000, 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約数ペア:

[(1, 21076272000), (2, 10538136000), (3, 7025424000), (4, 5269068000), (5, 4215254400), (6, 3512712000), (7, 3010896000), (8, 2634534000), (9, 2341808000), (10, 2107627200), (12, 1756356000), (14, 1505448000), (15, 1405084800), (16, 1317267000), (18, 1170904000), (20, 1053813600), (21, 1003632000), (24, 878178000), (25, 843050880), (28, 752724000), (29, 726768000), (30, 702542400), (32, 658633500), (35, 602179200), (36, 585452000), (40, 526906800), (42, 501816000), (45, 468361600), (48, 439089000), (49, 430128000), (50, 421525440), (56, 376362000), (58, 363384000), (60, 351271200), (63, 334544000), (64, 329316750), (70, 301089600), (72, 292726000), (75, 281016960), (80, 263453400), (84, 250908000), (87, 242256000), (90, 234180800), (96, 219544500), (98, 215064000), (100, 210762720), (103, 204624000), (105, 200726400), (112, 188181000), (116, 181692000), (120, 175635600), (125, 168610176), (126, 167272000), (128, 164658375), (140, 150544800), (144, 146363000), (145, 145353600), (147, 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