21902408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248891}}^1$

素因数の和:248908

約数の個数: 16

約数和(自身を含む): 44800560

約数和(自身を除く): 22898152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248891, 497782, 995564, 1991128, 2737801, 5475602, 10951204, 21902408]

約数ペア:

[(1, 21902408), (2, 10951204), (4, 5475602), (8, 2737801), (11, 1991128), (22, 995564), (44, 497782), (88, 248891)]