23121380

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5479}}^1$

素因数の和:5699

約数の個数: 24

約数和(自身を含む): 48793920

約数和(自身を除く): 25672540

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 5479, 10958, 21916, 27395, 54790, 109580, 1156069, 2312138, 4624276, 5780345, 11560690, 23121380]

約数ペア:

[(1, 23121380), (2, 11560690), (4, 5780345), (5, 4624276), (10, 2312138), (20, 1156069), (211, 109580), (422, 54790), (844, 27395), (1055, 21916), (2110, 10958), (4220, 5479)]