21070147302

素因数分解:

$2^1\times 3^3\times {\mathrm{390187913}}^1$

素因数の和:390187924

約数の個数: 16

約数和(自身を含む): 46822549680

約数和(自身を除く): 25752402378

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390187913, 780375826, 1170563739, 2341127478, 3511691217, 7023382434, 10535073651, 21070147302]

約数ペア:

[(1, 21070147302), (2, 10535073651), (3, 7023382434), (6, 3511691217), (9, 2341127478), (18, 1170563739), (27, 780375826), (54, 390187913)]