21796660

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3851}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 45946656

約数和(自身を除く): 24149996

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3851, 5660, 7702, 15404, 19255, 38510, 77020, 1089833, 2179666, 4359332, 5449165, 10898330, 21796660]

約数ペア:

[(1, 21796660), (2, 10898330), (4, 5449165), (5, 4359332), (10, 2179666), (20, 1089833), (283, 77020), (566, 38510), (1132, 19255), (1415, 15404), (2830, 7702), (3851, 5660)]