21143019

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5839}}^1$

素因数の和:5930

約数の個数: 16

約数和(自身を含む): 30274560

約数和(自身を除く): 9131541

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5839, 17517, 99263, 297789, 414569, 1243707, 7047673, 21143019]

約数ペア:

[(1, 21143019), (3, 7047673), (17, 1243707), (51, 414569), (71, 297789), (213, 99263), (1207, 17517), (3621, 5839)]