21153933

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2711}}^1$

素因数の和:2754

約数の個数: 24

約数和(自身を含む): 33303360

約数和(自身を除く): 12149427

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 2711, 7803, 8133, 24399, 46087, 73197, 138261, 414783, 783479, 1244349, 2350437, 7051311, 21153933]

約数ペア:

[(1, 21153933), (3, 7051311), (9, 2350437), (17, 1244349), (27, 783479), (51, 414783), (153, 138261), (289, 73197), (459, 46087), (867, 24399), (2601, 8133), (2711, 7803)]