21746906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13309}}^1$

素因数の和:13373

約数の個数: 16

約数和(自身を含む): 35138400

約数和(自身を除く): 13391494

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13309, 26618, 252871, 505742, 572287, 1144574, 10873453, 21746906]

約数ペア:

[(1, 21746906), (2, 10873453), (19, 1144574), (38, 572287), (43, 505742), (86, 252871), (817, 26618), (1634, 13309)]