21282309

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{44617}}^1$

素因数の和:44676

約数の個数: 12

約数和(自身を含む): 31321836

約数和(自身を除く): 10039527

約数列:

[1, 3, 9, 53, 159, 477, 44617, 133851, 401553, 2364701, 7094103, 21282309]

約数ペア:

[(1, 21282309), (3, 7094103), (9, 2364701), (53, 401553), (159, 133851), (477, 44617)]