21496000

素因数分解:

$2^6\times 5^3\times {\mathrm{2687}}^1$

素因数の和:2714

約数の個数: 56

約数和(自身を含む): 53254656

約数和(自身を除く): 31758656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 2687, 4000, 5374, 8000, 10748, 13435, 21496, 26870, 42992, 53740, 67175, 85984, 107480, 134350, 171968, 214960, 268700, 335875, 429920, 537400, 671750, 859840, 1074800, 1343500, 2149600, 2687000, 4299200, 5374000, 10748000, 21496000]

約数ペア:

[(1, 21496000), (2, 10748000), (4, 5374000), (5, 4299200), (8, 2687000), (10, 2149600), (16, 1343500), (20, 1074800), (25, 859840), (32, 671750), (40, 537400), (50, 429920), (64, 335875), (80, 268700), (100, 214960), (125, 171968), (160, 134350), (200, 107480), (250, 85984), (320, 67175), (400, 53740), (500, 42992), (800, 26870), (1000, 21496), (1600, 13435), (2000, 10748), (2687, 8000), (4000, 5374)]