21186170

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4423}}^1$

素因数の和:4909

約数の個数: 16

約数和(自身を含む): 38223360

約数和(自身を除く): 17037190

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4423, 4790, 8846, 22115, 44230, 2118617, 4237234, 10593085, 21186170]

約数ペア:

[(1, 21186170), (2, 10593085), (5, 4237234), (10, 2118617), (479, 44230), (958, 22115), (2395, 8846), (4423, 4790)]