21939159

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15461}}^1$

素因数の和:15518

約数の個数: 16

約数和(自身を含む): 32655744

約数和(自身を除く): 10716585

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 15461, 46383, 170071, 510213, 664823, 1994469, 7313053, 21939159]

約数ペア:

[(1, 21939159), (3, 7313053), (11, 1994469), (33, 664823), (43, 510213), (129, 170071), (473, 46383), (1419, 15461)]