21942376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{161341}}^1$

素因数の和:161364

約数の個数: 16

約数和(自身を含む): 43562340

約数和(自身を除く): 21619964

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 161341, 322682, 645364, 1290728, 2742797, 5485594, 10971188, 21942376]

約数ペア:

[(1, 21942376), (2, 10971188), (4, 5485594), (8, 2742797), (17, 1290728), (34, 645364), (68, 322682), (136, 161341)]