21340593

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 32985576

約数和(自身を除く): 11644983

約数列:

[1, 3, 9, 17, 51, 101, 153, 303, 909, 1381, 1717, 4143, 5151, 12429, 15453, 23477, 70431, 139481, 211293, 418443, 1255329, 2371177, 7113531, 21340593]

約数ペア:

[(1, 21340593), (3, 7113531), (9, 2371177), (17, 1255329), (51, 418443), (101, 211293), (153, 139481), (303, 70431), (909, 23477), (1381, 15453), (1717, 12429), (4143, 5151)]