21892040

素因数分解:

$2^3\times 5^1\times {\mathrm{547301}}^1$

素因数の和:547312

約数の個数: 16

約数和(自身を含む): 49257180

約数和(自身を除く): 27365140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547301, 1094602, 2189204, 2736505, 4378408, 5473010, 10946020, 21892040]

約数ペア:

[(1, 21892040), (2, 10946020), (4, 5473010), (5, 4378408), (8, 2736505), (10, 2189204), (20, 1094602), (40, 547301)]