21894400

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 108

約数和(自身を含む): 59308704

約数和(自身を除く): 37414304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 311, 320, 352, 400, 440, 550, 622, 640, 704, 800, 880, 1100, 1244, 1280, 1408, 1555, 1600, 1760, 2200, 2488, 2816, 3110, 3200, 3421, 3520, 4400, 4976, 6220, 6400, 6842, 7040, 7775, 8800, 9952, 12440, 13684, 14080, 15550, 17105, 17600, 19904, 24880, 27368, 31100, 34210, 35200, 39808, 49760, 54736, 62200, 68420, 70400, 79616, 85525, 99520, 109472, 124400, 136840, 171050, 199040, 218944, 248800, 273680, 342100, 398080, 437888, 497600, 547360, 684200, 875776, 995200, 1094720, 1368400, 1990400, 2189440, 2736800, 4378880, 5473600, 10947200, 21894400]

約数ペア:

[(1, 21894400), (2, 10947200), (4, 5473600), (5, 4378880), (8, 2736800), (10, 2189440), (11, 1990400), (16, 1368400), (20, 1094720), (22, 995200), (25, 875776), (32, 684200), (40, 547360), (44, 497600), (50, 437888), (55, 398080), (64, 342100), (80, 273680), (88, 248800), (100, 218944), (110, 199040), (128, 171050), (160, 136840), (176, 124400), (200, 109472), (220, 99520), (256, 85525), (275, 79616), (311, 70400), (320, 68420), (352, 62200), (400, 54736), (440, 49760), (550, 39808), (622, 35200), (640, 34210), (704, 31100), (800, 27368), (880, 24880), (1100, 19904), (1244, 17600), (1280, 17105), (1408, 15550), (1555, 14080), (1600, 13684), (1760, 12440), (2200, 9952), (2488, 8800), (2816, 7775), (3110, 7040), (3200, 6842), (3421, 6400), (3520, 6220), (4400, 4976)]