21148000

素因数分解:

$2^5\times 5^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 55194048

約数和(自身を除く): 34046048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 311, 340, 400, 425, 500, 544, 622, 680, 800, 850, 1000, 1244, 1360, 1555, 1700, 2000, 2125, 2488, 2720, 3110, 3400, 4000, 4250, 4976, 5287, 6220, 6800, 7775, 8500, 9952, 10574, 12440, 13600, 15550, 17000, 21148, 24880, 26435, 31100, 34000, 38875, 42296, 49760, 52870, 62200, 68000, 77750, 84592, 105740, 124400, 132175, 155500, 169184, 211480, 248800, 264350, 311000, 422960, 528700, 622000, 660875, 845920, 1057400, 1244000, 1321750, 2114800, 2643500, 4229600, 5287000, 10574000, 21148000]

約数ペア:

[(1, 21148000), (2, 10574000), (4, 5287000), (5, 4229600), (8, 2643500), (10, 2114800), (16, 1321750), (17, 1244000), (20, 1057400), (25, 845920), (32, 660875), (34, 622000), (40, 528700), (50, 422960), (68, 311000), (80, 264350), (85, 248800), (100, 211480), (125, 169184), (136, 155500), (160, 132175), (170, 124400), (200, 105740), (250, 84592), (272, 77750), (311, 68000), (340, 62200), (400, 52870), (425, 49760), (500, 42296), (544, 38875), (622, 34000), (680, 31100), (800, 26435), (850, 24880), (1000, 21148), (1244, 17000), (1360, 15550), (1555, 13600), (1700, 12440), (2000, 10574), (2125, 9952), (2488, 8500), (2720, 7775), (3110, 6800), (3400, 6220), (4000, 5287), (4250, 4976)]