21866438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13999}}^1$

素因数の和:14083

約数の個数: 16

約数和(自身を含む): 36288000

約数和(自身を除く): 14421562

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13999, 27998, 153989, 307978, 993929, 1987858, 10933219, 21866438]

約数ペア:

[(1, 21866438), (2, 10933219), (11, 1987858), (22, 993929), (71, 307978), (142, 153989), (781, 27998), (1562, 13999)]