21288894

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{322559}}^1$

素因数の和:322575

約数の個数: 16

約数和(自身を含む): 46448640

約数和(自身を除く): 25159746

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 322559, 645118, 967677, 1935354, 3548149, 7096298, 10644447, 21288894]

約数ペア:

[(1, 21288894), (2, 10644447), (3, 7096298), (6, 3548149), (11, 1935354), (22, 967677), (33, 645118), (66, 322559)]