21206943

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1933}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 32584032

約数和(自身を除く): 11377089

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 1933, 3657, 5799, 10971, 17397, 44459, 102449, 133377, 307347, 400131, 922041, 2356327, 7068981, 21206943]

約数ペア:

[(1, 21206943), (3, 7068981), (9, 2356327), (23, 922041), (53, 400131), (69, 307347), (159, 133377), (207, 102449), (477, 44459), (1219, 17397), (1933, 10971), (3657, 5799)]