21966776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211219}}^1$

素因数の和:211238

約数の個数: 16

約数和(自身を含む): 44356200

約数和(自身を除く): 22389424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211219, 422438, 844876, 1689752, 2745847, 5491694, 10983388, 21966776]

約数ペア:

[(1, 21966776), (2, 10983388), (4, 5491694), (8, 2745847), (13, 1689752), (26, 844876), (52, 422438), (104, 211219)]