2146185489

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5378911}}^1$

素因数の和:5378940

約数の個数: 16

約数和(自身を含む): 3442503680

約数和(自身を除く): 1296318191

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5378911, 16136733, 37652377, 102199309, 112957131, 306597927, 715395163, 2146185489]

約数ペア:

[(1, 2146185489), (3, 715395163), (7, 306597927), (19, 112957131), (21, 102199309), (57, 37652377), (133, 16136733), (399, 5378911)]