21382163

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 24710400

約数和(自身を除く): 3328237

約数列:

[1, 11, 19, 209, 263, 389, 2893, 4279, 4997, 7391, 54967, 81301, 102307, 1125377, 1943833, 21382163]

約数ペア:

[(1, 21382163), (11, 1943833), (19, 1125377), (209, 102307), (263, 81301), (389, 54967), (2893, 7391), (4279, 4997)]