21063964

素因数分解:

$2^2\times {\mathrm{2221}}^1\times {\mathrm{2371}}^1$

素因数の和:4596

約数の個数: 12

約数和(自身を含む): 36894088

約数和(自身を除く): 15830124

約数列:

[1, 2, 4, 2221, 2371, 4442, 4742, 8884, 9484, 5265991, 10531982, 21063964]

約数ペア:

[(1, 21063964), (2, 10531982), (4, 5265991), (2221, 9484), (2371, 8884), (4442, 4742)]