21847372

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{8263}}^1$

素因数の和:8928

約数の個数: 12

約数和(自身を含む): 38295376

約数和(自身を除く): 16448004

約数列:

[1, 2, 4, 661, 1322, 2644, 8263, 16526, 33052, 5461843, 10923686, 21847372]

約数ペア:

[(1, 21847372), (2, 10923686), (4, 5461843), (661, 33052), (1322, 16526), (2644, 8263)]