21213822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505091}}^1$

素因数の和:505103

約数の個数: 16

約数和(自身を含む): 48488832

約数和(自身を除く): 27275010

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505091, 1010182, 1515273, 3030546, 3535637, 7071274, 10606911, 21213822]

約数ペア:

[(1, 21213822), (2, 10606911), (3, 7071274), (6, 3535637), (7, 3030546), (14, 1515273), (21, 1010182), (42, 505091)]