21421393920

素因数分解:

$2^{11}\times 3^3\times 5^1\times {\mathrm{77479}}^1$

素因数の和:77515

約数の個数: 192

約数和(自身を含む): 76147344000

約数和(自身を除く): 54725950080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2048, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6144, 6912, 7680, 8640, 9216, 10240, 11520, 13824, 15360, 17280, 18432, 23040, 27648, 30720, 34560, 46080, 55296, 69120, 77479, 92160, 138240, 154958, 232437, 276480, 309916, 387395, 464874, 619832, 697311, 774790, 929748, 1162185, 1239664, 1394622, 1549580, 1859496, 2091933, 2324370, 2479328, 2789244, 3099160, 3486555, 3718992, 4183866, 4648740, 4958656, 5578488, 6198320, 6973110, 7437984, 8367732, 9297480, 9917312, 10459665, 11156976, 12396640, 13946220, 14875968, 16735464, 18594960, 19834624, 20919330, 22313952, 24793280, 27892440, 29751936, 33470928, 37189920, 39669248, 41838660, 44627904, 49586560, 55784880, 59503872, 66941856, 74379840, 79338496, 83677320, 89255808, 99173120, 111569760, 119007744, 133883712, 148759680, 158676992, 167354640, 178511616, 198346240, 223139520, 238015488, 267767424, 297519360, 334709280, 357023232, 396692480, 446279040, 476030976, 535534848, 595038720, 669418560, 714046464, 793384960, 892558080, 1071069696, 1190077440, 1338837120, 1428092928, 1785116160, 2142139392, 2380154880, 2677674240, 3570232320, 4284278784, 5355348480, 7140464640, 10710696960, 21421393920]

約数ペア:

[(1, 21421393920), (2, 10710696960), (3, 7140464640), (4, 5355348480), (5, 4284278784), (6, 3570232320), (8, 2677674240), (9, 2380154880), (10, 2142139392), (12, 1785116160), (15, 1428092928), (16, 1338837120), (18, 1190077440), (20, 1071069696), (24, 892558080), (27, 793384960), (30, 714046464), (32, 669418560), (36, 595038720), (40, 535534848), (45, 476030976), (48, 446279040), (54, 396692480), (60, 357023232), (64, 334709280), (72, 297519360), (80, 267767424), (90, 238015488), (96, 223139520), (108, 198346240), (120, 178511616), (128, 167354640), (135, 158676992), (144, 148759680), (160, 133883712), (180, 119007744), (192, 111569760), (216, 99173120), (240, 89255808), (256, 83677320), (270, 79338496), (288, 74379840), (320, 66941856), (360, 59503872), (384, 55784880), (432, 49586560), (480, 44627904), (512, 41838660), (540, 39669248), (576, 37189920), (640, 33470928), (720, 29751936), (768, 27892440), (864, 24793280), (960, 22313952), (1024, 20919330), (1080, 19834624), (1152, 18594960), (1280, 16735464), (1440, 14875968), (1536, 13946220), (1728, 12396640), (1920, 11156976), (2048, 10459665), (2160, 9917312), (2304, 9297480), (2560, 8367732), (2880, 7437984), (3072, 6973110), (3456, 6198320), (3840, 5578488), (4320, 4958656), (4608, 4648740), (5120, 4183866), (5760, 3718992), (6144, 3486555), (6912, 3099160), (7680, 2789244), (8640, 2479328), (9216, 2324370), (10240, 2091933), (11520, 1859496), (13824, 1549580), (15360, 1394622), (17280, 1239664), (18432, 1162185), (23040, 929748), (27648, 774790), (30720, 697311), (34560, 619832), (46080, 464874), (55296, 387395), (69120, 309916), (77479, 276480), (92160, 232437), (138240, 154958)]