21162006

素因数分解:

$2^1\times 3^3\times {\mathrm{391889}}^1$

素因数の和:391900

約数の個数: 16

約数和(自身を含む): 47026800

約数和(自身を除く): 25864794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 391889, 783778, 1175667, 2351334, 3527001, 7054002, 10581003, 21162006]

約数ペア:

[(1, 21162006), (2, 10581003), (3, 7054002), (6, 3527001), (9, 2351334), (18, 1175667), (27, 783778), (54, 391889)]