21940146

素因数分解:

$2^1\times 3^4\times {\mathrm{135433}}^1$

素因数の和:135447

約数の個数: 20

約数和(自身を含む): 49162542

約数和(自身を除く): 27222396

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 135433, 270866, 406299, 812598, 1218897, 2437794, 3656691, 7313382, 10970073, 21940146]

約数ペア:

[(1, 21940146), (2, 10970073), (3, 7313382), (6, 3656691), (9, 2437794), (18, 1218897), (27, 812598), (54, 406299), (81, 270866), (162, 135433)]