21958882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43397}}^1$

素因数の和:43433

約数の個数: 16

約数和(自身を含む): 37495872

約数和(自身を除く): 15536990

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43397, 86794, 477367, 954734, 998131, 1996262, 10979441, 21958882]

約数ペア:

[(1, 21958882), (2, 10979441), (11, 1996262), (22, 998131), (23, 954734), (46, 477367), (253, 86794), (506, 43397)]