21310911

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1601}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 34603200

約数和(自身を除く): 13292289

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 459, 493, 783, 1479, 1601, 4437, 4803, 13311, 14409, 27217, 43227, 46429, 81651, 139287, 244953, 417861, 734859, 789293, 1253583, 2367879, 7103637, 21310911]

約数ペア:

[(1, 21310911), (3, 7103637), (9, 2367879), (17, 1253583), (27, 789293), (29, 734859), (51, 417861), (87, 244953), (153, 139287), (261, 81651), (459, 46429), (493, 43227), (783, 27217), (1479, 14409), (1601, 13311), (4437, 4803)]