21126803

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1442

約数の個数: 12

約数和(自身を含む): 22832568

約数和(自身を除く): 1705765

約数列:

[1, 19, 43, 361, 817, 1361, 15523, 25859, 58523, 491321, 1111937, 21126803]

約数ペア:

[(1, 21126803), (19, 1111937), (43, 491321), (361, 58523), (817, 25859), (1361, 15523)]