21051796683

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{7393}}^1\times {\mathrm{17909}}^1$

素因数の和:25358

約数の個数: 16

約数和(自身を含む): 28604132640

約数和(自身を除く): 7552335957

約数列:

[1, 3, 53, 159, 7393, 17909, 22179, 53727, 391829, 949177, 1175487, 2847531, 132401237, 397203711, 7017265561, 21051796683]

約数ペア:

[(1, 21051796683), (3, 7017265561), (53, 397203711), (159, 132401237), (7393, 2847531), (17909, 1175487), (22179, 949177), (53727, 391829)]