21950032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105529}}^1$

素因数の和:105550

約数の個数: 20

約数和(自身を含む): 45800020

約数和(自身を除く): 23849988

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105529, 211058, 422116, 844232, 1371877, 1688464, 2743754, 5487508, 10975016, 21950032]

約数ペア:

[(1, 21950032), (2, 10975016), (4, 5487508), (8, 2743754), (13, 1688464), (16, 1371877), (26, 844232), (52, 422116), (104, 211058), (208, 105529)]