21070778877

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{511961}}^1$

素因数の和:512253

約数の個数: 24

約数和(自身を含む): 32345759160

約数和(自身を除く): 11274980283

約数列:

[1, 3, 9, 17, 51, 153, 269, 807, 2421, 4573, 13719, 41157, 511961, 1535883, 4607649, 8703337, 26110011, 78330033, 137717509, 413152527, 1239457581, 2341197653, 7023592959, 21070778877]

約数ペア:

[(1, 21070778877), (3, 7023592959), (9, 2341197653), (17, 1239457581), (51, 413152527), (153, 137717509), (269, 78330033), (807, 26110011), (2421, 8703337), (4573, 4607649), (13719, 1535883), (41157, 511961)]