21357112320

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{154493}}^1$

素因数の和:154527

約数の個数: 176

約数和(自身を含む): 75899812320

約数和(自身を除く): 54542700000

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, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6912, 7680, 8640, 9216, 11520, 13824, 15360, 17280, 23040, 27648, 34560, 46080, 69120, 138240, 154493, 308986, 463479, 617972, 772465, 926958, 1235944, 1390437, 1544930, 1853916, 2317395, 2471888, 2780874, 3089860, 3707832, 4171311, 4634790, 4943776, 5561748, 6179720, 6952185, 7415664, 8342622, 9269580, 9887552, 11123496, 12359440, 13904370, 14831328, 16685244, 18539160, 19775104, 20856555, 22246992, 24718880, 27808740, 29662656, 33370488, 37078320, 39550208, 41713110, 44493984, 49437760, 55617480, 59325312, 66740976, 74156640, 79100416, 83426220, 88987968, 98875520, 111234960, 118650624, 133481952, 148313280, 158200832, 166852440, 177975936, 197751040, 222469920, 237301248, 266963904, 296626560, 333704880, 355951872, 395502080, 444939840, 474602496, 533927808, 593253120, 667409760, 711903744, 791004160, 889879680, 1067855616, 1186506240, 1334819520, 1423807488, 1779759360, 2135711232, 2373012480, 2669639040, 3559518720, 4271422464, 5339278080, 7119037440, 10678556160, 21357112320]

約数ペア:

[(1, 21357112320), (2, 10678556160), (3, 7119037440), (4, 5339278080), (5, 4271422464), (6, 3559518720), (8, 2669639040), (9, 2373012480), (10, 2135711232), (12, 1779759360), (15, 1423807488), (16, 1334819520), (18, 1186506240), (20, 1067855616), (24, 889879680), (27, 791004160), (30, 711903744), (32, 667409760), (36, 593253120), (40, 533927808), (45, 474602496), (48, 444939840), (54, 395502080), (60, 355951872), (64, 333704880), (72, 296626560), (80, 266963904), (90, 237301248), (96, 222469920), (108, 197751040), (120, 177975936), (128, 166852440), (135, 158200832), (144, 148313280), (160, 133481952), (180, 118650624), (192, 111234960), (216, 98875520), (240, 88987968), (256, 83426220), (270, 79100416), (288, 74156640), (320, 66740976), (360, 59325312), (384, 55617480), (432, 49437760), (480, 44493984), (512, 41713110), (540, 39550208), (576, 37078320), (640, 33370488), (720, 29662656), (768, 27808740), (864, 24718880), (960, 22246992), (1024, 20856555), (1080, 19775104), (1152, 18539160), (1280, 16685244), (1440, 14831328), (1536, 13904370), (1728, 12359440), (1920, 11123496), (2160, 9887552), (2304, 9269580), (2560, 8342622), (2880, 7415664), (3072, 6952185), (3456, 6179720), (3840, 5561748), (4320, 4943776), (4608, 4634790), (5120, 4171311), (5760, 3707832), (6912, 3089860), (7680, 2780874), (8640, 2471888), (9216, 2317395), (11520, 1853916), (13824, 1544930), (15360, 1390437), (17280, 1235944), (23040, 926958), (27648, 772465), (34560, 617972), (46080, 463479), (69120, 308986), (138240, 154493)]