21046160

素因数分解:

$2^4\times 5^1\times {\mathrm{263077}}^1$

素因数の和:263090

約数の個数: 20

約数和(自身を含む): 48932508

約数和(自身を除く): 27886348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263077, 526154, 1052308, 1315385, 2104616, 2630770, 4209232, 5261540, 10523080, 21046160]

約数ペア:

[(1, 21046160), (2, 10523080), (4, 5261540), (5, 4209232), (8, 2630770), (10, 2104616), (16, 1315385), (20, 1052308), (40, 526154), (80, 263077)]