21605546

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{887}}^1$

素因数の和:1549

約数の個数: 16

約数和(自身を含む): 34205760

約数和(自身を除く): 12600214

約数列:

[1, 2, 19, 38, 641, 887, 1282, 1774, 12179, 16853, 24358, 33706, 568567, 1137134, 10802773, 21605546]

約数ペア:

[(1, 21605546), (2, 10802773), (19, 1137134), (38, 568567), (641, 33706), (887, 24358), (1282, 16853), (1774, 12179)]