21000359607

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5640709}}^1$

素因数の和:5640802

約数の個数: 16

約数和(自身を含む): 30053702880

約数和(自身を除く): 9053343273

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5640709, 16922127, 95892053, 287676159, 411771757, 1235315271, 7000119869, 21000359607]

約数ペア:

[(1, 21000359607), (3, 7000119869), (17, 1235315271), (51, 411771757), (73, 287676159), (219, 95892053), (1241, 16922127), (3723, 5640709)]