21684660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361411}}^1$

素因数の和:361423

約数の個数: 24

約数和(自身を含む): 60717216

約数和(自身を除く): 39032556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361411, 722822, 1084233, 1445644, 1807055, 2168466, 3614110, 4336932, 5421165, 7228220, 10842330, 21684660]

約数ペア:

[(1, 21684660), (2, 10842330), (3, 7228220), (4, 5421165), (5, 4336932), (6, 3614110), (10, 2168466), (12, 1807055), (15, 1445644), (20, 1084233), (30, 722822), (60, 361411)]