21911040

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{317}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 78075360

約数和(自身を除く): 56164320

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, 317, 320, 360, 384, 432, 480, 512, 540, 576, 634, 640, 720, 768, 864, 951, 960, 1080, 1152, 1268, 1280, 1440, 1536, 1585, 1728, 1902, 1920, 2160, 2304, 2536, 2560, 2853, 2880, 3170, 3456, 3804, 3840, 4320, 4608, 4755, 5072, 5706, 5760, 6340, 6912, 7608, 7680, 8559, 8640, 9510, 10144, 11412, 11520, 12680, 13824, 14265, 15216, 17118, 17280, 19020, 20288, 22824, 23040, 25360, 28530, 30432, 34236, 34560, 38040, 40576, 42795, 45648, 50720, 57060, 60864, 68472, 69120, 76080, 81152, 85590, 91296, 101440, 114120, 121728, 136944, 152160, 162304, 171180, 182592, 202880, 228240, 243456, 273888, 304320, 342360, 365184, 405760, 456480, 486912, 547776, 608640, 684720, 730368, 811520, 912960, 1095552, 1217280, 1369440, 1460736, 1825920, 2191104, 2434560, 2738880, 3651840, 4382208, 5477760, 7303680, 10955520, 21911040]

約数ペア:

[(1, 21911040), (2, 10955520), (3, 7303680), (4, 5477760), (5, 4382208), (6, 3651840), (8, 2738880), (9, 2434560), (10, 2191104), (12, 1825920), (15, 1460736), (16, 1369440), (18, 1217280), (20, 1095552), (24, 912960), (27, 811520), (30, 730368), (32, 684720), (36, 608640), (40, 547776), (45, 486912), (48, 456480), (54, 405760), (60, 365184), (64, 342360), (72, 304320), (80, 273888), (90, 243456), (96, 228240), (108, 202880), (120, 182592), (128, 171180), (135, 162304), (144, 152160), (160, 136944), (180, 121728), (192, 114120), (216, 101440), (240, 91296), (256, 85590), (270, 81152), (288, 76080), (317, 69120), (320, 68472), (360, 60864), (384, 57060), (432, 50720), (480, 45648), (512, 42795), (540, 40576), (576, 38040), (634, 34560), (640, 34236), (720, 30432), (768, 28530), (864, 25360), (951, 23040), (960, 22824), (1080, 20288), (1152, 19020), (1268, 17280), (1280, 17118), (1440, 15216), (1536, 14265), (1585, 13824), (1728, 12680), (1902, 11520), (1920, 11412), (2160, 10144), (2304, 9510), (2536, 8640), (2560, 8559), (2853, 7680), (2880, 7608), (3170, 6912), (3456, 6340), (3804, 5760), (3840, 5706), (4320, 5072), (4608, 4755)]