21239722

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{37003}}^1$

素因数の和:37053

約数の個数: 16

約数和(自身を含む): 37300032

約数和(自身を除く): 16060310

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 37003, 74006, 259021, 518042, 1517123, 3034246, 10619861, 21239722]

約数ペア:

[(1, 21239722), (2, 10619861), (7, 3034246), (14, 1517123), (41, 518042), (82, 259021), (287, 74006), (574, 37003)]