21895665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132701}}^1$

素因数の和:132720

約数の個数: 16

約数和(自身を含む): 38218176

約数和(自身を除く): 16322511

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132701, 398103, 663505, 1459711, 1990515, 4379133, 7298555, 21895665]

約数ペア:

[(1, 21895665), (3, 7298555), (5, 4379133), (11, 1990515), (15, 1459711), (33, 663505), (55, 398103), (165, 132701)]