21095288

素因数分解:

$2^3\times {\mathrm{1153}}^1\times {\mathrm{2287}}^1$

素因数の和:3446

約数の個数: 16

約数和(自身を含む): 39605280

約数和(自身を除く): 18509992

約数列:

[1, 2, 4, 8, 1153, 2287, 2306, 4574, 4612, 9148, 9224, 18296, 2636911, 5273822, 10547644, 21095288]

約数ペア:

[(1, 21095288), (2, 10547644), (4, 5273822), (8, 2636911), (1153, 18296), (2287, 9224), (2306, 9148), (4574, 4612)]