21252994797

素因数分解:

$3^1\times {\mathrm{607}}^1\times {\mathrm{2297}}^1\times {\mathrm{5081}}^1$

素因数の和:7988

約数の個数: 16

約数和(自身を含む): 28401956352

約数和(自身を除く): 7148961555

約数列:

[1, 3, 607, 1821, 2297, 5081, 6891, 15243, 1394279, 3084167, 4182837, 9252501, 11671057, 35013171, 7084331599, 21252994797]

約数ペア:

[(1, 21252994797), (3, 7084331599), (607, 35013171), (1821, 11671057), (2297, 9252501), (5081, 4182837), (6891, 3084167), (15243, 1394279)]