21288960

素因数分解:

$2^{11}\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1$

素因数の和:54

約数の個数: 384

約数和(自身を含む): 94348800

約数和(自身を除く): 73059840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 64, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 108, 110, 112, 120, 126, 128, 132, 135, 140, 144, 154, 160, 165, 168, 176, 180, 189, 192, 198, 210, 216, 220, 224, 231, 240, 252, 256, 264, 270, 280, 288, 297, 308, 315, 320, 330, 336, 352, 360, 378, 384, 385, 396, 420, 432, 440, 448, 462, 480, 495, 504, 512, 528, 540, 560, 576, 594, 616, 630, 640, 660, 672, 693, 704, 720, 756, 768, 770, 792, 840, 864, 880, 896, 924, 945, 960, 990, 1008, 1024, 1056, 1080, 1120, 1152, 1155, 1188, 1232, 1260, 1280, 1320, 1344, 1386, 1408, 1440, 1485, 1512, 1536, 1540, 1584, 1680, 1728, 1760, 1792, 1848, 1890, 1920, 1980, 2016, 2048, 2079, 2112, 2160, 2240, 2304, 2310, 2376, 2464, 2520, 2560, 2640, 2688, 2772, 2816, 2880, 2970, 3024, 3072, 3080, 3168, 3360, 3456, 3465, 3520, 3584, 3696, 3780, 3840, 3960, 4032, 4158, 4224, 4320, 4480, 4608, 4620, 4752, 4928, 5040, 5120, 5280, 5376, 5544, 5632, 5760, 5940, 6048, 6144, 6160, 6336, 6720, 6912, 6930, 7040, 7168, 7392, 7560, 7680, 7920, 8064, 8316, 8448, 8640, 8960, 9216, 9240, 9504, 9856, 10080, 10240, 10395, 10560, 10752, 11088, 11264, 11520, 11880, 12096, 12320, 12672, 13440, 13824, 13860, 14080, 14336, 14784, 15120, 15360, 15840, 16128, 16632, 16896, 17280, 17920, 18432, 18480, 19008, 19712, 20160, 20790, 21120, 21504, 22176, 22528, 23040, 23760, 24192, 24640, 25344, 26880, 27648, 27720, 28160, 29568, 30240, 30720, 31680, 32256, 33264, 33792, 34560, 35840, 36960, 38016, 39424, 40320, 41580, 42240, 43008, 44352, 46080, 47520, 48384, 49280, 50688, 53760, 55296, 55440, 56320, 59136, 60480, 63360, 64512, 66528, 67584, 69120, 71680, 73920, 76032, 78848, 80640, 83160, 84480, 88704, 92160, 95040, 96768, 98560, 101376, 107520, 110880, 112640, 118272, 120960, 126720, 129024, 133056, 138240, 147840, 152064, 157696, 161280, 166320, 168960, 177408, 190080, 193536, 197120, 202752, 215040, 221760, 236544, 241920, 253440, 266112, 276480, 295680, 304128, 322560, 332640, 337920, 354816, 380160, 387072, 394240, 443520, 473088, 483840, 506880, 532224, 591360, 608256, 645120, 665280, 709632, 760320, 788480, 887040, 967680, 1013760, 1064448, 1182720, 1330560, 1419264, 1520640, 1774080, 1935360, 2128896, 2365440, 2661120, 3041280, 3548160, 4257792, 5322240, 7096320, 10644480, 21288960]

約数ペア:

[(1, 21288960), (2, 10644480), (3, 7096320), (4, 5322240), (5, 4257792), (6, 3548160), (7, 3041280), (8, 2661120), (9, 2365440), (10, 2128896), (11, 1935360), (12, 1774080), (14, 1520640), (15, 1419264), (16, 1330560), (18, 1182720), (20, 1064448), (21, 1013760), (22, 967680), (24, 887040), (27, 788480), (28, 760320), (30, 709632), (32, 665280), (33, 645120), (35, 608256), (36, 591360), (40, 532224), (42, 506880), (44, 483840), (45, 473088), (48, 443520), (54, 394240), (55, 387072), (56, 380160), (60, 354816), (63, 337920), (64, 332640), (66, 322560), (70, 304128), (72, 295680), (77, 276480), (80, 266112), (84, 253440), (88, 241920), (90, 236544), (96, 221760), (99, 215040), (105, 202752), (108, 197120), (110, 193536), (112, 190080), (120, 177408), (126, 168960), (128, 166320), (132, 161280), (135, 157696), (140, 152064), (144, 147840), (154, 138240), (160, 133056), (165, 129024), (168, 126720), (176, 120960), (180, 118272), (189, 112640), (192, 110880), (198, 107520), (210, 101376), (216, 98560), (220, 96768), (224, 95040), (231, 92160), (240, 88704), (252, 84480), (256, 83160), (264, 80640), (270, 78848), (280, 76032), (288, 73920), (297, 71680), (308, 69120), (315, 67584), (320, 66528), (330, 64512), (336, 63360), (352, 60480), (360, 59136), (378, 56320), (384, 55440), (385, 55296), (396, 53760), (420, 50688), (432, 49280), (440, 48384), (448, 47520), (462, 46080), (480, 44352), (495, 43008), (504, 42240), (512, 41580), (528, 40320), (540, 39424), (560, 38016), (576, 36960), (594, 35840), (616, 34560), (630, 33792), (640, 33264), (660, 32256), (672, 31680), (693, 30720), (704, 30240), (720, 29568), (756, 28160), (768, 27720), (770, 27648), (792, 26880), (840, 25344), (864, 24640), (880, 24192), (896, 23760), (924, 23040), (945, 22528), (960, 22176), (990, 21504), (1008, 21120), (1024, 20790), (1056, 20160), (1080, 19712), (1120, 19008), (1152, 18480), (1155, 18432), (1188, 17920), (1232, 17280), (1260, 16896), (1280, 16632), (1320, 16128), (1344, 15840), (1386, 15360), (1408, 15120), (1440, 14784), (1485, 14336), (1512, 14080), (1536, 13860), (1540, 13824), (1584, 13440), (1680, 12672), (1728, 12320), (1760, 12096), (1792, 11880), (1848, 11520), (1890, 11264), (1920, 11088), (1980, 10752), (2016, 10560), (2048, 10395), (2079, 10240), (2112, 10080), (2160, 9856), (2240, 9504), (2304, 9240), (2310, 9216), (2376, 8960), (2464, 8640), (2520, 8448), (2560, 8316), (2640, 8064), (2688, 7920), (2772, 7680), (2816, 7560), (2880, 7392), (2970, 7168), (3024, 7040), (3072, 6930), (3080, 6912), (3168, 6720), (3360, 6336), (3456, 6160), (3465, 6144), (3520, 6048), (3584, 5940), (3696, 5760), (3780, 5632), (3840, 5544), (3960, 5376), (4032, 5280), (4158, 5120), (4224, 5040), (4320, 4928), (4480, 4752), (4608, 4620)]