21121217280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1833439}}^1$

素因数の和:1833466

約数の個数: 108

約数和(自身を含む): 73077251520

約数和(自身を除く): 51956034240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 1833439, 3666878, 5500317, 7333756, 9167195, 11000634, 14667512, 16500951, 18334390, 22001268, 27501585, 29335024, 33001902, 36668780, 44002536, 55003170, 58670048, 66003804, 73337560, 82504755, 88005072, 110006340, 117340096, 132007608, 146675120, 165009510, 176010144, 220012680, 234680192, 264015216, 293350240, 330019020, 352020288, 440025360, 469360384, 528030432, 586700480, 660038040, 704040576, 880050720, 1056060864, 1173400960, 1320076080, 1408081152, 1760101440, 2112121728, 2346801920, 2640152160, 3520202880, 4224243456, 5280304320, 7040405760, 10560608640, 21121217280]

約数ペア:

[(1, 21121217280), (2, 10560608640), (3, 7040405760), (4, 5280304320), (5, 4224243456), (6, 3520202880), (8, 2640152160), (9, 2346801920), (10, 2112121728), (12, 1760101440), (15, 1408081152), (16, 1320076080), (18, 1173400960), (20, 1056060864), (24, 880050720), (30, 704040576), (32, 660038040), (36, 586700480), (40, 528030432), (45, 469360384), (48, 440025360), (60, 352020288), (64, 330019020), (72, 293350240), (80, 264015216), (90, 234680192), (96, 220012680), (120, 176010144), (128, 165009510), (144, 146675120), (160, 132007608), (180, 117340096), (192, 110006340), (240, 88005072), (256, 82504755), (288, 73337560), (320, 66003804), (360, 58670048), (384, 55003170), (480, 44002536), (576, 36668780), (640, 33001902), (720, 29335024), (768, 27501585), (960, 22001268), (1152, 18334390), (1280, 16500951), (1440, 14667512), (1920, 11000634), (2304, 9167195), (2880, 7333756), (3840, 5500317), (5760, 3666878), (11520, 1833439)]