21000337371

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3519413}}^1$

素因数の和:3519452

約数の個数: 32

約数和(自身を含む): 35475693120

約数和(自身を除く): 14475355749

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 3519413, 10558239, 31674717, 45752369, 59830021, 95024151, 137257107, 179490063, 411771321, 538470189, 777790273, 1235313963, 1615410567, 2333370819, 7000112457, 21000337371]

約数ペア:

[(1, 21000337371), (3, 7000112457), (9, 2333370819), (13, 1615410567), (17, 1235313963), (27, 777790273), (39, 538470189), (51, 411771321), (117, 179490063), (153, 137257107), (221, 95024151), (351, 59830021), (459, 45752369), (663, 31674717), (1989, 10558239), (5967, 3519413)]