21014367

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8969}}^1$

素因数の和:9054

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 9985953

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8969, 26907, 98659, 295977, 636799, 1910397, 7004789, 21014367]

約数ペア:

[(1, 21014367), (3, 7004789), (11, 1910397), (33, 636799), (71, 295977), (213, 98659), (781, 26907), (2343, 8969)]