21363684

素因数分解:

$2^2\times 3^1\times {\mathrm{1780307}}^1$

素因数の和:1780314

約数の個数: 12

約数和(自身を含む): 49848624

約数和(自身を除く): 28484940

約数列:

[1, 2, 3, 4, 6, 12, 1780307, 3560614, 5340921, 7121228, 10681842, 21363684]

約数ペア:

[(1, 21363684), (2, 10681842), (3, 7121228), (4, 5340921), (6, 3560614), (12, 1780307)]