21705923

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 25051200

約数和(自身を除く): 3345277

約数列:

[1, 17, 19, 59, 67, 289, 323, 1003, 1121, 1139, 1273, 3953, 5491, 17051, 19057, 19363, 21641, 67201, 75107, 323969, 367897, 1142417, 1276819, 21705923]

約数ペア:

[(1, 21705923), (17, 1276819), (19, 1142417), (59, 367897), (67, 323969), (289, 75107), (323, 67201), (1003, 21641), (1121, 19363), (1139, 19057), (1273, 17051), (3953, 5491)]