21794000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 80

約数和(自身を含む): 55884816

約数和(自身を除く): 34090816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 641, 680, 850, 1000, 1282, 1360, 1700, 2000, 2125, 2564, 3205, 3400, 4250, 5128, 6410, 6800, 8500, 10256, 10897, 12820, 16025, 17000, 21794, 25640, 32050, 34000, 43588, 51280, 54485, 64100, 80125, 87176, 108970, 128200, 160250, 174352, 217940, 256400, 272425, 320500, 435880, 544850, 641000, 871760, 1089700, 1282000, 1362125, 2179400, 2724250, 4358800, 5448500, 10897000, 21794000]

約数ペア:

[(1, 21794000), (2, 10897000), (4, 5448500), (5, 4358800), (8, 2724250), (10, 2179400), (16, 1362125), (17, 1282000), (20, 1089700), (25, 871760), (34, 641000), (40, 544850), (50, 435880), (68, 320500), (80, 272425), (85, 256400), (100, 217940), (125, 174352), (136, 160250), (170, 128200), (200, 108970), (250, 87176), (272, 80125), (340, 64100), (400, 54485), (425, 51280), (500, 43588), (641, 34000), (680, 32050), (850, 25640), (1000, 21794), (1282, 17000), (1360, 16025), (1700, 12820), (2000, 10897), (2125, 10256), (2564, 8500), (3205, 6800), (3400, 6410), (4250, 5128)]