21844394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{76379}}^1$

素因数の和:76405

約数の個数: 16

約数和(自身を含む): 38495520

約数和(自身を除く): 16651126

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 76379, 152758, 840169, 992927, 1680338, 1985854, 10922197, 21844394]

約数ペア:

[(1, 21844394), (2, 10922197), (11, 1985854), (13, 1680338), (22, 992927), (26, 840169), (143, 152758), (286, 76379)]