21161228256

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1187}}^1$

素因数の和:1486

約数の個数: 288

約数和(自身を含む): 70988037120

約数和(自身を除く): 49826808864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 63, 72, 74, 84, 96, 111, 112, 126, 144, 148, 168, 222, 224, 239, 252, 259, 288, 296, 333, 336, 444, 478, 504, 518, 592, 666, 672, 717, 777, 888, 956, 1008, 1036, 1184, 1187, 1332, 1434, 1554, 1673, 1776, 1912, 2016, 2072, 2151, 2331, 2374, 2664, 2868, 3108, 3346, 3552, 3561, 3824, 4144, 4302, 4662, 4748, 5019, 5328, 5736, 6216, 6692, 7122, 7648, 8288, 8309, 8604, 8843, 9324, 9496, 10038, 10656, 10683, 11472, 12432, 13384, 14244, 15057, 16618, 17208, 17686, 18648, 18992, 20076, 21366, 22944, 24864, 24927, 26529, 26768, 28488, 30114, 33236, 34416, 35372, 37296, 37984, 40152, 42732, 43919, 49854, 53058, 53536, 56976, 60228, 61901, 66472, 68832, 70744, 74592, 74781, 79587, 80304, 85464, 87838, 99708, 106116, 113952, 120456, 123802, 131757, 132944, 141488, 149562, 159174, 160608, 170928, 175676, 185703, 199416, 212232, 240912, 247604, 263514, 265888, 282976, 283693, 299124, 307433, 318348, 341856, 351352, 371406, 395271, 398832, 424464, 481824, 495208, 527028, 557109, 567386, 598248, 614866, 636696, 702704, 742812, 790542, 797664, 848928, 851079, 922299, 990416, 1054056, 1114218, 1134772, 1196496, 1229732, 1273392, 1405408, 1485624, 1581084, 1702158, 1844598, 1980832, 1985851, 2108112, 2228436, 2269544, 2392992, 2459464, 2546784, 2553237, 2766897, 2971248, 3162168, 3404316, 3689196, 3971702, 4216224, 4456872, 4539088, 4918928, 5106474, 5533794, 5942496, 5957553, 6324336, 6808632, 7378392, 7943404, 8913744, 9078176, 9837856, 10212948, 10496641, 11067588, 11915106, 12648672, 13617264, 14756784, 15886808, 17827488, 17872659, 20425896, 20993282, 22135176, 23830212, 27234528, 29513568, 31489923, 31773616, 35745318, 40851792, 41986564, 44270352, 47660424, 62979846, 63547232, 71490636, 73476487, 81703584, 83973128, 88540704, 94469769, 95320848, 125959692, 142981272, 146952974, 167946256, 188939538, 190641696, 220429461, 251919384, 285962544, 293905948, 335892512, 377879076, 440858922, 503838768, 571925088, 587811896, 661288383, 755758152, 881717844, 1007677536, 1175623792, 1322576766, 1511516304, 1763435688, 2351247584, 2645153532, 3023032608, 3526871376, 5290307064, 7053742752, 10580614128, 21161228256]

約数ペア:

[(1, 21161228256), (2, 10580614128), (3, 7053742752), (4, 5290307064), (6, 3526871376), (7, 3023032608), (8, 2645153532), (9, 2351247584), (12, 1763435688), (14, 1511516304), (16, 1322576766), (18, 1175623792), (21, 1007677536), (24, 881717844), (28, 755758152), (32, 661288383), (36, 587811896), (37, 571925088), (42, 503838768), (48, 440858922), (56, 377879076), (63, 335892512), (72, 293905948), (74, 285962544), (84, 251919384), (96, 220429461), (111, 190641696), (112, 188939538), (126, 167946256), (144, 146952974), (148, 142981272), (168, 125959692), (222, 95320848), (224, 94469769), (239, 88540704), (252, 83973128), (259, 81703584), (288, 73476487), (296, 71490636), (333, 63547232), (336, 62979846), (444, 47660424), (478, 44270352), (504, 41986564), (518, 40851792), (592, 35745318), (666, 31773616), (672, 31489923), (717, 29513568), (777, 27234528), (888, 23830212), (956, 22135176), (1008, 20993282), (1036, 20425896), (1184, 17872659), (1187, 17827488), (1332, 15886808), (1434, 14756784), (1554, 13617264), (1673, 12648672), (1776, 11915106), (1912, 11067588), (2016, 10496641), (2072, 10212948), (2151, 9837856), (2331, 9078176), (2374, 8913744), (2664, 7943404), (2868, 7378392), (3108, 6808632), (3346, 6324336), (3552, 5957553), (3561, 5942496), (3824, 5533794), (4144, 5106474), (4302, 4918928), (4662, 4539088), (4748, 4456872), (5019, 4216224), (5328, 3971702), (5736, 3689196), (6216, 3404316), (6692, 3162168), (7122, 2971248), (7648, 2766897), (8288, 2553237), (8309, 2546784), (8604, 2459464), (8843, 2392992), (9324, 2269544), (9496, 2228436), (10038, 2108112), (10656, 1985851), (10683, 1980832), (11472, 1844598), (12432, 1702158), (13384, 1581084), (14244, 1485624), (15057, 1405408), (16618, 1273392), (17208, 1229732), (17686, 1196496), (18648, 1134772), (18992, 1114218), (20076, 1054056), (21366, 990416), (22944, 922299), (24864, 851079), (24927, 848928), (26529, 797664), (26768, 790542), (28488, 742812), (30114, 702704), (33236, 636696), (34416, 614866), (35372, 598248), (37296, 567386), (37984, 557109), (40152, 527028), (42732, 495208), (43919, 481824), (49854, 424464), (53058, 398832), (53536, 395271), (56976, 371406), (60228, 351352), (61901, 341856), (66472, 318348), (68832, 307433), (70744, 299124), (74592, 283693), (74781, 282976), (79587, 265888), (80304, 263514), (85464, 247604), (87838, 240912), (99708, 212232), (106116, 199416), (113952, 185703), (120456, 175676), (123802, 170928), (131757, 160608), (132944, 159174), (141488, 149562)]