21092838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270421}}^1$

素因数の和:270439

約数の個数: 16

約数和(自身を含む): 45430896

約数和(自身を除く): 24338058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270421, 540842, 811263, 1622526, 3515473, 7030946, 10546419, 21092838]

約数ペア:

[(1, 21092838), (2, 10546419), (3, 7030946), (6, 3515473), (13, 1622526), (26, 811263), (39, 540842), (78, 270421)]