21426424

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21089}}^1$

素因数の和:21222

約数の個数: 16

約数和(自身を含む): 40492800

約数和(自身を除く): 19066376

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21089, 42178, 84356, 168712, 2678303, 5356606, 10713212, 21426424]

約数ペア:

[(1, 21426424), (2, 10713212), (4, 5356606), (8, 2678303), (127, 168712), (254, 84356), (508, 42178), (1016, 21089)]