21601347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16477}}^1$

素因数の和:16522

約数の個数: 16

約数和(自身を含む): 31637760

約数和(自身を除く): 10036413

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16477, 49431, 313063, 378971, 939189, 1136913, 7200449, 21601347]

約数ペア:

[(1, 21601347), (3, 7200449), (19, 1136913), (23, 939189), (57, 378971), (69, 313063), (437, 49431), (1311, 16477)]