21415400

素因数分解:

$2^3\times 5^2\times {\mathrm{107077}}^1$

素因数の和:107093

約数の個数: 24

約数和(自身を含む): 49791270

約数和(自身を除く): 28375870

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 107077, 214154, 428308, 535385, 856616, 1070770, 2141540, 2676925, 4283080, 5353850, 10707700, 21415400]

約数ペア:

[(1, 21415400), (2, 10707700), (4, 5353850), (5, 4283080), (8, 2676925), (10, 2141540), (20, 1070770), (25, 856616), (40, 535385), (50, 428308), (100, 214154), (200, 107077)]