21668028

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{4289}}^1$

素因数の和:4717

約数の個数: 24

約数和(自身を含む): 50690640

約数和(自身を除く): 29022612

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 4289, 5052, 8578, 12867, 17156, 25734, 51468, 1805669, 3611338, 5417007, 7222676, 10834014, 21668028]

約数ペア:

[(1, 21668028), (2, 10834014), (3, 7222676), (4, 5417007), (6, 3611338), (12, 1805669), (421, 51468), (842, 25734), (1263, 17156), (1684, 12867), (2526, 8578), (4289, 5052)]