21114662

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9109}}^1$

素因数の和:9191

約数の個数: 16

約数和(自身を含む): 33889200

約数和(自身を除く): 12774538

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9109, 18218, 173071, 346142, 555649, 1111298, 10557331, 21114662]

約数ペア:

[(1, 21114662), (2, 10557331), (19, 1111298), (38, 555649), (61, 346142), (122, 173071), (1159, 18218), (2318, 9109)]