21477291241

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{944929}}^1$

素因数の和:945144

約数の個数: 16

約数和(自身を含む): 26125424640

約数和(自身を除く): 4648133399

約数列:

[1, 7, 17, 119, 191, 1337, 3247, 22729, 944929, 6614503, 16063793, 112446551, 180481439, 1263370073, 3068184463, 21477291241]

約数ペア:

[(1, 21477291241), (7, 3068184463), (17, 1263370073), (119, 180481439), (191, 112446551), (1337, 16063793), (3247, 6614503), (22729, 944929)]