21257483520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:650

約数の個数: 576

約数和(自身を含む): 84392017920

約数和(自身を除く): 63134534400

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, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 127, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 254, 256, 260, 273, 280, 312, 320, 336, 364, 381, 384, 390, 416, 420, 448, 455, 479, 480, 508, 520, 546, 560, 624, 635, 640, 672, 728, 762, 768, 780, 832, 840, 889, 896, 910, 958, 960, 1016, 1040, 1092, 1120, 1248, 1270, 1280, 1344, 1365, 1437, 1456, 1524, 1560, 1651, 1664, 1680, 1778, 1792, 1820, 1905, 1916, 1920, 2032, 2080, 2184, 2240, 2395, 2496, 2540, 2667, 2688, 2730, 2874, 2912, 3048, 3120, 3302, 3328, 3353, 3360, 3556, 3640, 3810, 3832, 3840, 4064, 4160, 4368, 4445, 4480, 4790, 4953, 4992, 5080, 5334, 5376, 5460, 5748, 5824, 6096, 6227, 6240, 6604, 6706, 6720, 7112, 7185, 7280, 7620, 7664, 8128, 8255, 8320, 8736, 8890, 8960, 9580, 9906, 9984, 10059, 10160, 10668, 10920, 11496, 11557, 11648, 12192, 12454, 12480, 13208, 13335, 13412, 13440, 14224, 14370, 14560, 15240, 15328, 16256, 16510, 16640, 16765, 17472, 17780, 18681, 19160, 19812, 20118, 20320, 21336, 21840, 22992, 23114, 23296, 24384, 24765, 24908, 24960, 26416, 26670, 26824, 26880, 28448, 28740, 29120, 30480, 30656, 31135, 32512, 33020, 33530, 34671, 34944, 35560, 37362, 38320, 39624, 40236, 40640, 42672, 43589, 43680, 45984, 46228, 48768, 49530, 49816, 49920, 50295, 52832, 53340, 53648, 56896, 57480, 57785, 58240, 60833, 60960, 61312, 62270, 66040, 67060, 69342, 69888, 71120, 74724, 76640, 79248, 80472, 81280, 85344, 87178, 87360, 91968, 92456, 93405, 97536, 99060, 99632, 100590, 105664, 106680, 107296, 113792, 114960, 115570, 116480, 121666, 121920, 122624, 124540, 130767, 132080, 134120, 138684, 142240, 149448, 153280, 158496, 160944, 162560, 170688, 173355, 174356, 174720, 182499, 183936, 184912, 186810, 198120, 199264, 201180, 211328, 213360, 214592, 217945, 227584, 229920, 231140, 243332, 243840, 249080, 261534, 264160, 268240, 277368, 284480, 298896, 304165, 306560, 316992, 321888, 341376, 346710, 348712, 349440, 364998, 367872, 369824, 373620, 396240, 398528, 402360, 422656, 425831, 426720, 429184, 435890, 459840, 462280, 486664, 487680, 498160, 523068, 528320, 536480, 554736, 568960, 597792, 608330, 613120, 633984, 643776, 653835, 682752, 693420, 697424, 729996, 739648, 747240, 790829, 792480, 797056, 804720, 851662, 853440, 858368, 871780, 912495, 919680, 924560, 973328, 996320, 1046136, 1056640, 1072960, 1109472, 1137920, 1195584, 1216660, 1267968, 1277493, 1287552, 1307670, 1386840, 1394848, 1459992, 1479296, 1494480, 1581658, 1584960, 1594112, 1609440, 1703324, 1706880, 1743560, 1824990, 1839360, 1849120, 1946656, 1992640, 2092272, 2113280, 2129155, 2145920, 2218944, 2372487, 2391168, 2433320, 2554986, 2575104, 2615340, 2773680, 2789696, 2919984, 2958592, 2988960, 3163316, 3169920, 3218880, 3406648, 3413760, 3487120, 3649980, 3698240, 3893312, 3954145, 3985280, 4184544, 4258310, 4291840, 4437888, 4744974, 4782336, 4866640, 5109972, 5230680, 5535803, 5547360, 5579392, 5839968, 5977920, 6326632, 6339840, 6387465, 6437760, 6813296, 6974240, 7299960, 7396480, 7786624, 7908290, 7970560, 8369088, 8516620, 8875776, 9489948, 9733280, 10219944, 10461360, 11071606, 11094720, 11158784, 11679936, 11862435, 11955840, 12653264, 12774930, 12875520, 13626592, 13948480, 14599920, 14792960, 15573248, 15816580, 16607409, 16738176, 17033240, 18979896, 19466560, 20439888, 20922720, 22143212, 22189440, 23359872, 23724870, 23911680, 25306528, 25549860, 27253184, 27679015, 27896960, 29199840, 31633160, 33214818, 33476352, 34066480, 37959792, 38933120, 40879776, 41845440, 44286424, 44378880, 46719744, 47449740, 50613056, 51099720, 54506368, 55358030, 55793920, 58399680, 63266320, 66429636, 68132960, 75919584, 77866240, 81759552, 83037045, 83690880, 88572848, 94899480, 101226112, 102199440, 109012736, 110716060, 116799360, 126532640, 132859272, 136265920, 151839168, 163519104, 166074090, 167381760, 177145696, 189798960, 202452224, 204398880, 221432120, 233598720, 253065280, 265718544, 272531840, 303678336, 327038208, 332148180, 354291392, 379597920, 408797760, 442864240, 506130560, 531437088, 545063680, 607356672, 664296360, 708582784, 759195840, 817595520, 885728480, 1012261120, 1062874176, 1328592720, 1417165568, 1518391680, 1635191040, 1771456960, 2125748352, 2657185440, 3036783360, 3542913920, 4251496704, 5314370880, 7085827840, 10628741760, 21257483520]

約数ペア:

[(1, 21257483520), (2, 10628741760), (3, 7085827840), (4, 5314370880), (5, 4251496704), (6, 3542913920), (7, 3036783360), (8, 2657185440), (10, 2125748352), (12, 1771456960), (13, 1635191040), (14, 1518391680), (15, 1417165568), (16, 1328592720), (20, 1062874176), (21, 1012261120), (24, 885728480), (26, 817595520), (28, 759195840), (30, 708582784), (32, 664296360), (35, 607356672), (39, 545063680), (40, 531437088), (42, 506130560), (48, 442864240), (52, 408797760), (56, 379597920), (60, 354291392), (64, 332148180), (65, 327038208), (70, 303678336), (78, 272531840), (80, 265718544), (84, 253065280), (91, 233598720), (96, 221432120), (104, 204398880), (105, 202452224), (112, 189798960), (120, 177145696), (127, 167381760), (128, 166074090), (130, 163519104), (140, 151839168), (156, 136265920), (160, 132859272), (168, 126532640), (182, 116799360), (192, 110716060), (195, 109012736), (208, 102199440), (210, 101226112), (224, 94899480), (240, 88572848), (254, 83690880), (256, 83037045), (260, 81759552), (273, 77866240), (280, 75919584), (312, 68132960), (320, 66429636), (336, 63266320), (364, 58399680), (381, 55793920), (384, 55358030), (390, 54506368), (416, 51099720), (420, 50613056), (448, 47449740), (455, 46719744), (479, 44378880), (480, 44286424), (508, 41845440), (520, 40879776), (546, 38933120), (560, 37959792), (624, 34066480), (635, 33476352), (640, 33214818), (672, 31633160), (728, 29199840), (762, 27896960), (768, 27679015), (780, 27253184), (832, 25549860), (840, 25306528), (889, 23911680), (896, 23724870), (910, 23359872), (958, 22189440), (960, 22143212), (1016, 20922720), (1040, 20439888), (1092, 19466560), (1120, 18979896), (1248, 17033240), (1270, 16738176), (1280, 16607409), (1344, 15816580), (1365, 15573248), (1437, 14792960), (1456, 14599920), (1524, 13948480), (1560, 13626592), (1651, 12875520), (1664, 12774930), (1680, 12653264), (1778, 11955840), (1792, 11862435), (1820, 11679936), (1905, 11158784), (1916, 11094720), (1920, 11071606), (2032, 10461360), (2080, 10219944), (2184, 9733280), (2240, 9489948), (2395, 8875776), (2496, 8516620), (2540, 8369088), (2667, 7970560), (2688, 7908290), (2730, 7786624), (2874, 7396480), (2912, 7299960), (3048, 6974240), (3120, 6813296), (3302, 6437760), (3328, 6387465), (3353, 6339840), (3360, 6326632), (3556, 5977920), (3640, 5839968), (3810, 5579392), (3832, 5547360), (3840, 5535803), (4064, 5230680), (4160, 5109972), (4368, 4866640), (4445, 4782336), (4480, 4744974), (4790, 4437888), (4953, 4291840), (4992, 4258310), (5080, 4184544), (5334, 3985280), (5376, 3954145), (5460, 3893312), (5748, 3698240), (5824, 3649980), (6096, 3487120), (6227, 3413760), (6240, 3406648), (6604, 3218880), (6706, 3169920), (6720, 3163316), (7112, 2988960), (7185, 2958592), (7280, 2919984), (7620, 2789696), (7664, 2773680), (8128, 2615340), (8255, 2575104), (8320, 2554986), (8736, 2433320), (8890, 2391168), (8960, 2372487), (9580, 2218944), (9906, 2145920), (9984, 2129155), (10059, 2113280), (10160, 2092272), (10668, 1992640), (10920, 1946656), (11496, 1849120), (11557, 1839360), (11648, 1824990), (12192, 1743560), (12454, 1706880), (12480, 1703324), (13208, 1609440), (13335, 1594112), (13412, 1584960), (13440, 1581658), (14224, 1494480), (14370, 1479296), (14560, 1459992), (15240, 1394848), (15328, 1386840), (16256, 1307670), (16510, 1287552), (16640, 1277493), (16765, 1267968), (17472, 1216660), (17780, 1195584), (18681, 1137920), (19160, 1109472), (19812, 1072960), (20118, 1056640), (20320, 1046136), (21336, 996320), (21840, 973328), (22992, 924560), (23114, 919680), (23296, 912495), (24384, 871780), (24765, 858368), (24908, 853440), (24960, 851662), (26416, 804720), (26670, 797056), (26824, 792480), (26880, 790829), (28448, 747240), (28740, 739648), (29120, 729996), (30480, 697424), (30656, 693420), (31135, 682752), (32512, 653835), (33020, 643776), (33530, 633984), (34671, 613120), (34944, 608330), (35560, 597792), (37362, 568960), (38320, 554736), (39624, 536480), (40236, 528320), (40640, 523068), (42672, 498160), (43589, 487680), (43680, 486664), (45984, 462280), (46228, 459840), (48768, 435890), (49530, 429184), (49816, 426720), (49920, 425831), (50295, 422656), (52832, 402360), (53340, 398528), (53648, 396240), (56896, 373620), (57480, 369824), (57785, 367872), (58240, 364998), (60833, 349440), (60960, 348712), (61312, 346710), (62270, 341376), (66040, 321888), (67060, 316992), (69342, 306560), (69888, 304165), (71120, 298896), (74724, 284480), (76640, 277368), (79248, 268240), (80472, 264160), (81280, 261534), (85344, 249080), (87178, 243840), (87360, 243332), (91968, 231140), (92456, 229920), (93405, 227584), (97536, 217945), (99060, 214592), (99632, 213360), (100590, 211328), (105664, 201180), (106680, 199264), (107296, 198120), (113792, 186810), (114960, 184912), (115570, 183936), (116480, 182499), (121666, 174720), (121920, 174356), (122624, 173355), (124540, 170688), (130767, 162560), (132080, 160944), (134120, 158496), (138684, 153280), (142240, 149448)]