21794689

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1063}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 26046720

約数和(自身を除く): 4252031

約数列:

[1, 7, 29, 101, 203, 707, 1063, 2929, 7441, 20503, 30827, 107363, 215789, 751541, 3113527, 21794689]

約数ペア:

[(1, 21794689), (7, 3113527), (29, 751541), (101, 215789), (203, 107363), (707, 30827), (1063, 20503), (2929, 7441)]