21000655173

素因数分解:

$3^1\times {\mathrm{353}}^1\times {\mathrm{1933}}^1\times {\mathrm{10259}}^1$

素因数の和:12548

約数の個数: 16

約数和(自身を含む): 28097461440

約数和(自身を除く): 7096806267

約数列:

[1, 3, 353, 1059, 1933, 5799, 10259, 30777, 682349, 2047047, 3621427, 10864281, 19830647, 59491941, 7000218391, 21000655173]

約数ペア:

[(1, 21000655173), (3, 7000218391), (353, 59491941), (1059, 19830647), (1933, 10864281), (5799, 3621427), (10259, 2047047), (30777, 682349)]