21881030

素因数分解:

$2^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{9391}}^1$

素因数の和:9631

約数の個数: 16

約数和(自身を含む): 39559104

約数和(自身を除く): 17678074

約数列:

[1, 2, 5, 10, 233, 466, 1165, 2330, 9391, 18782, 46955, 93910, 2188103, 4376206, 10940515, 21881030]

約数ペア:

[(1, 21881030), (2, 10940515), (5, 4376206), (10, 2188103), (233, 93910), (466, 46955), (1165, 18782), (2330, 9391)]