21730665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131701}}^1$

素因数の和:131720

約数の個数: 16

約数和(自身を含む): 37930176

約数和(自身を除く): 16199511

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 131701, 395103, 658505, 1448711, 1975515, 4346133, 7243555, 21730665]

約数ペア:

[(1, 21730665), (3, 7243555), (5, 4346133), (11, 1975515), (15, 1448711), (33, 658505), (55, 395103), (165, 131701)]