20211854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10949}}^1$

素因数の和:11035

約数の個数: 16

約数和(自身を含む): 33112800

約数和(自身を除く): 12900946

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10949, 21898, 142337, 284674, 777379, 1554758, 10105927, 20211854]

約数ペア:

[(1, 20211854), (2, 10105927), (13, 1554758), (26, 777379), (71, 284674), (142, 142337), (923, 21898), (1846, 10949)]