21454202

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139313}}^1$

素因数の和:139333

約数の個数: 16

約数和(自身を含む): 40122432

約数和(自身を除く): 18668230

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139313, 278626, 975191, 1532443, 1950382, 3064886, 10727101, 21454202]

約数ペア:

[(1, 21454202), (2, 10727101), (7, 3064886), (11, 1950382), (14, 1532443), (22, 975191), (77, 278626), (154, 139313)]