21516468

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{4259}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 50336160

約数和(自身を除く): 28819692

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 4259, 5052, 8518, 12777, 17036, 25554, 51108, 1793039, 3586078, 5379117, 7172156, 10758234, 21516468]

約数ペア:

[(1, 21516468), (2, 10758234), (3, 7172156), (4, 5379117), (6, 3586078), (12, 1793039), (421, 51108), (842, 25554), (1263, 17036), (1684, 12777), (2526, 8518), (4259, 5052)]