21293998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42083}}^1$

素因数の和:42119

約数の個数: 16

約数和(自身を含む): 36360576

約数和(自身を除く): 15066578

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42083, 84166, 462913, 925826, 967909, 1935818, 10646999, 21293998]

約数ペア:

[(1, 21293998), (2, 10646999), (11, 1935818), (22, 967909), (23, 925826), (46, 462913), (253, 84166), (506, 42083)]