21967794

素因数分解:

$2^1\times 3^3\times {\mathrm{406811}}^1$

素因数の和:406822

約数の個数: 16

約数和(自身を含む): 48817440

約数和(自身を除く): 26849646

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 406811, 813622, 1220433, 2440866, 3661299, 7322598, 10983897, 21967794]

約数ペア:

[(1, 21967794), (2, 10983897), (3, 7322598), (6, 3661299), (9, 2440866), (18, 1220433), (27, 813622), (54, 406811)]