21813030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80789}}^1$

素因数の和:80805

約数の個数: 32

約数和(自身を含む): 58168800

約数和(自身を除く): 36355770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80789, 161578, 242367, 403945, 484734, 727101, 807890, 1211835, 1454202, 2181303, 2423670, 3635505, 4362606, 7271010, 10906515, 21813030]

約数ペア:

[(1, 21813030), (2, 10906515), (3, 7271010), (5, 4362606), (6, 3635505), (9, 2423670), (10, 2181303), (15, 1454202), (18, 1211835), (27, 807890), (30, 727101), (45, 484734), (54, 403945), (90, 242367), (135, 161578), (270, 80789)]