21439396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1663}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 41094144

約数和(自身を除く): 19654748

約数列:

[1, 2, 4, 11, 22, 44, 293, 586, 1172, 1663, 3223, 3326, 6446, 6652, 12892, 18293, 36586, 73172, 487259, 974518, 1949036, 5359849, 10719698, 21439396]

約数ペア:

[(1, 21439396), (2, 10719698), (4, 5359849), (11, 1949036), (22, 974518), (44, 487259), (293, 73172), (586, 36586), (1172, 18293), (1663, 12892), (3223, 6652), (3326, 6446)]