21561543816

素因数分解:

$2^3\times 3^1\times {\mathrm{898397659}}^1$

素因数の和:898397668

約数の個数: 16

約数和(自身を含む): 53903859600

約数和(自身を除く): 32342315784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 898397659, 1796795318, 2695192977, 3593590636, 5390385954, 7187181272, 10780771908, 21561543816]

約数ペア:

[(1, 21561543816), (2, 10780771908), (3, 7187181272), (4, 5390385954), (6, 3593590636), (8, 2695192977), (12, 1796795318), (24, 898397659)]