21068154

素因数分解:

$2^1\times 3^3\times {\mathrm{390151}}^1$

素因数の和:390162

約数の個数: 16

約数和(自身を含む): 46818240

約数和(自身を除く): 25750086

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390151, 780302, 1170453, 2340906, 3511359, 7022718, 10534077, 21068154]

約数ペア:

[(1, 21068154), (2, 10534077), (3, 7022718), (6, 3511359), (9, 2340906), (18, 1170453), (27, 780302), (54, 390151)]