21212562

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505061}}^1$

素因数の和:505073

約数の個数: 16

約数和(自身を含む): 48485952

約数和(自身を除く): 27273390

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505061, 1010122, 1515183, 3030366, 3535427, 7070854, 10606281, 21212562]

約数ペア:

[(1, 21212562), (2, 10606281), (3, 7070854), (6, 3535427), (7, 3030366), (14, 1515183), (21, 1010122), (42, 505061)]