21312651

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{10651}}^1$

素因数の和:10706

約数の個数: 16

約数和(自身を含む): 30677760

約数和(自身を除く): 9365109

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 10651, 31953, 244973, 308879, 734919, 926637, 7104217, 21312651]

約数ペア:

[(1, 21312651), (3, 7104217), (23, 926637), (29, 734919), (69, 308879), (87, 244973), (667, 31953), (2001, 10651)]