21826354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18719}}^1$

素因数の和:18785

約数の個数: 16

約数和(自身を含む): 36391680

約数和(自身を除く): 14565326

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 18719, 37438, 205909, 411818, 992107, 1984214, 10913177, 21826354]

約数ペア:

[(1, 21826354), (2, 10913177), (11, 1984214), (22, 992107), (53, 411818), (106, 205909), (583, 37438), (1166, 18719)]