21165922

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{719}}^1$

素因数の和:1121

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 11493278

約数列:

[1, 2, 41, 82, 359, 718, 719, 1438, 14719, 29438, 29479, 58958, 258121, 516242, 10582961, 21165922]

約数ペア:

[(1, 21165922), (2, 10582961), (41, 516242), (82, 258121), (359, 58958), (718, 29479), (719, 29438), (1438, 14719)]