21470872

素因数分解:

$2^3\times {\mathrm{353}}^1\times {\mathrm{7603}}^1$

素因数の和:7962

約数の個数: 16

約数和(自身を含む): 40377240

約数和(自身を除く): 18906368

約数列:

[1, 2, 4, 8, 353, 706, 1412, 2824, 7603, 15206, 30412, 60824, 2683859, 5367718, 10735436, 21470872]

約数ペア:

[(1, 21470872), (2, 10735436), (4, 5367718), (8, 2683859), (353, 60824), (706, 30412), (1412, 15206), (2824, 7603)]