21161866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1559}}^1$

素因数の和:2189

約数の個数: 16

約数和(自身を含む): 34706880

約数和(自身を除く): 13545014

約数列:

[1, 2, 11, 22, 617, 1234, 1559, 3118, 6787, 13574, 17149, 34298, 961903, 1923806, 10580933, 21161866]

約数ペア:

[(1, 21161866), (2, 10580933), (11, 1923806), (22, 961903), (617, 34298), (1234, 17149), (1559, 13574), (3118, 6787)]