21452738

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 32762880

約数和(自身を除く): 11310142

約数列:

[1, 2, 89, 178, 191, 382, 631, 1262, 16999, 33998, 56159, 112318, 120521, 241042, 10726369, 21452738]

約数ペア:

[(1, 21452738), (2, 10726369), (89, 241042), (178, 120521), (191, 112318), (382, 56159), (631, 33998), (1262, 16999)]