21639727

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 1861073

約数列:

[1, 19, 67, 89, 191, 1273, 1691, 3629, 5963, 12797, 16999, 113297, 243143, 322981, 1138933, 21639727]

約数ペア:

[(1, 21639727), (19, 1138933), (67, 322981), (89, 243143), (191, 113297), (1273, 16999), (1691, 12797), (3629, 5963)]