21099567

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5827}}^1$

素因数の和:5918

約数の個数: 16

約数和(自身を含む): 30212352

約数和(自身を除く): 9112785

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5827, 17481, 99059, 297177, 413717, 1241151, 7033189, 21099567]

約数ペア:

[(1, 21099567), (3, 7033189), (17, 1241151), (51, 413717), (71, 297177), (213, 99059), (1207, 17481), (3621, 5827)]