21880306

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{38119}}^1$

素因数の和:38169

約数の個数: 16

約数和(自身を含む): 38424960

約数和(自身を除く): 16544654

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 38119, 76238, 266833, 533666, 1562879, 3125758, 10940153, 21880306]

約数ペア:

[(1, 21880306), (2, 10940153), (7, 3125758), (14, 1562879), (41, 533666), (82, 266833), (287, 76238), (574, 38119)]