21822009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28751}}^1$

素因数の和:28788

約数の個数: 16

約数和(自身を含む): 33122304

約数和(自身を除く): 11300295

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28751, 86253, 316261, 661273, 948783, 1983819, 7274003, 21822009]

約数ペア:

[(1, 21822009), (3, 7274003), (11, 1983819), (23, 948783), (33, 661273), (69, 316261), (253, 86253), (759, 28751)]