21342387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9109}}^1$

素因数の和:9194

約数の個数: 16

約数和(自身を含む): 31484160

約数和(自身を除く): 10141773

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 9109, 27327, 100199, 300597, 646739, 1940217, 7114129, 21342387]

約数ペア:

[(1, 21342387), (3, 7114129), (11, 1940217), (33, 646739), (71, 300597), (213, 100199), (781, 27327), (2343, 9109)]