2100971521

素因数分解:

${\mathrm{11}}^3\times {\mathrm{211}}^1\times {\mathrm{7481}}^1$

素因数の和:7725

約数の個数: 16

約数和(自身を含む): 2322173376

約数和(自身を除く): 221201855

約数列:

[1, 11, 121, 211, 1331, 2321, 7481, 25531, 82291, 280841, 905201, 1578491, 9957211, 17363401, 190997411, 2100971521]

約数ペア:

[(1, 2100971521), (11, 190997411), (121, 17363401), (211, 9957211), (1331, 1578491), (2321, 905201), (7481, 280841), (25531, 82291)]