21977446

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1193}}^1$

素因数の和:1407

約数の個数: 16

約数和(自身を含む): 33756768

約数和(自身を除く): 11779322

約数列:

[1, 2, 61, 122, 151, 302, 1193, 2386, 9211, 18422, 72773, 145546, 180143, 360286, 10988723, 21977446]

約数ペア:

[(1, 21977446), (2, 10988723), (61, 360286), (122, 180143), (151, 145546), (302, 72773), (1193, 18422), (2386, 9211)]