21161382

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320627}}^1$

素因数の和:320643

約数の個数: 16

約数和(自身を含む): 46170432

約数和(自身を除く): 25009050

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320627, 641254, 961881, 1923762, 3526897, 7053794, 10580691, 21161382]

約数ペア:

[(1, 21161382), (2, 10580691), (3, 7053794), (6, 3526897), (11, 1923762), (22, 961881), (33, 641254), (66, 320627)]