21863314

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13997}}^1$

素因数の和:14081

約数の個数: 16

約数和(自身を含む): 36282816

約数和(自身を除く): 14419502

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13997, 27994, 153967, 307934, 993787, 1987574, 10931657, 21863314]

約数ペア:

[(1, 21863314), (2, 10931657), (11, 1987574), (22, 993787), (71, 307934), (142, 153967), (781, 27994), (1562, 13997)]