21216983040

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20929}}^1$

素因数の和:20973

約数の個数: 288

約数和(自身を含む): 80223015600

約数和(自身を除く): 59006032560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1024, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2048, 2112, 2304, 2560, 2640, 2816, 2880, 3072, 3168, 3520, 3840, 3960, 4224, 4608, 5120, 5280, 5632, 5760, 6144, 6336, 7040, 7680, 7920, 8448, 9216, 10240, 10560, 11264, 11520, 12672, 14080, 15360, 15840, 16896, 18432, 20929, 21120, 22528, 23040, 25344, 28160, 30720, 31680, 33792, 41858, 42240, 46080, 50688, 56320, 62787, 63360, 67584, 83716, 84480, 92160, 101376, 104645, 112640, 125574, 126720, 167432, 168960, 188361, 202752, 209290, 230219, 251148, 253440, 313935, 334864, 337920, 376722, 418580, 460438, 502296, 506880, 627870, 669728, 690657, 753444, 837160, 920876, 941805, 1004592, 1013760, 1151095, 1255740, 1339456, 1381314, 1506888, 1674320, 1841752, 1883610, 2009184, 2071971, 2302190, 2511480, 2678912, 2762628, 3013776, 3348640, 3453285, 3683504, 3767220, 4018368, 4143942, 4604380, 5022960, 5357824, 5525256, 6027552, 6697280, 6906570, 7367008, 7534440, 8036736, 8287884, 9208760, 10045920, 10359855, 10715648, 11050512, 12055104, 13394560, 13813140, 14734016, 15068880, 16073472, 16575768, 18417520, 20091840, 20719710, 21431296, 22101024, 24110208, 26789120, 27626280, 29468032, 30137760, 32146944, 33151536, 36835040, 40183680, 41439420, 42862592, 44202048, 48220416, 53578240, 55252560, 58936064, 60275520, 64293888, 66303072, 73670080, 80367360, 82878840, 88404096, 96440832, 107156480, 110505120, 117872128, 120551040, 128587776, 132606144, 147340160, 160734720, 165757680, 176808192, 192881664, 214312960, 221010240, 235744256, 241102080, 265212288, 294680320, 321469440, 331515360, 353616384, 385763328, 442020480, 471488512, 482204160, 530424576, 589360640, 642938880, 663030720, 707232768, 884040960, 964408320, 1060849152, 1178721280, 1326061440, 1414465536, 1768081920, 1928816640, 2121698304, 2357442560, 2652122880, 3536163840, 4243396608, 5304245760, 7072327680, 10608491520, 21216983040]

約数ペア:

[(1, 21216983040), (2, 10608491520), (3, 7072327680), (4, 5304245760), (5, 4243396608), (6, 3536163840), (8, 2652122880), (9, 2357442560), (10, 2121698304), (11, 1928816640), (12, 1768081920), (15, 1414465536), (16, 1326061440), (18, 1178721280), (20, 1060849152), (22, 964408320), (24, 884040960), (30, 707232768), (32, 663030720), (33, 642938880), (36, 589360640), (40, 530424576), (44, 482204160), (45, 471488512), (48, 442020480), (55, 385763328), (60, 353616384), (64, 331515360), (66, 321469440), (72, 294680320), (80, 265212288), (88, 241102080), (90, 235744256), (96, 221010240), (99, 214312960), (110, 192881664), (120, 176808192), (128, 165757680), (132, 160734720), (144, 147340160), (160, 132606144), (165, 128587776), (176, 120551040), (180, 117872128), (192, 110505120), (198, 107156480), (220, 96440832), (240, 88404096), (256, 82878840), (264, 80367360), (288, 73670080), (320, 66303072), (330, 64293888), (352, 60275520), (360, 58936064), (384, 55252560), (396, 53578240), (440, 48220416), (480, 44202048), (495, 42862592), (512, 41439420), (528, 40183680), (576, 36835040), (640, 33151536), (660, 32146944), (704, 30137760), (720, 29468032), (768, 27626280), (792, 26789120), (880, 24110208), (960, 22101024), (990, 21431296), (1024, 20719710), (1056, 20091840), (1152, 18417520), (1280, 16575768), (1320, 16073472), (1408, 15068880), (1440, 14734016), (1536, 13813140), (1584, 13394560), (1760, 12055104), (1920, 11050512), (1980, 10715648), (2048, 10359855), (2112, 10045920), (2304, 9208760), (2560, 8287884), (2640, 8036736), (2816, 7534440), (2880, 7367008), (3072, 6906570), (3168, 6697280), (3520, 6027552), (3840, 5525256), (3960, 5357824), (4224, 5022960), (4608, 4604380), (5120, 4143942), (5280, 4018368), (5632, 3767220), (5760, 3683504), (6144, 3453285), (6336, 3348640), (7040, 3013776), (7680, 2762628), (7920, 2678912), (8448, 2511480), (9216, 2302190), (10240, 2071971), (10560, 2009184), (11264, 1883610), (11520, 1841752), (12672, 1674320), (14080, 1506888), (15360, 1381314), (15840, 1339456), (16896, 1255740), (18432, 1151095), (20929, 1013760), (21120, 1004592), (22528, 941805), (23040, 920876), (25344, 837160), (28160, 753444), (30720, 690657), (31680, 669728), (33792, 627870), (41858, 506880), (42240, 502296), (46080, 460438), (50688, 418580), (56320, 376722), (62787, 337920), (63360, 334864), (67584, 313935), (83716, 253440), (84480, 251148), (92160, 230219), (101376, 209290), (104645, 202752), (112640, 188361), (125574, 168960), (126720, 167432)]