16721529

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{22031}}^1$

素因数の和:22068

約数の個数: 16

約数和(自身を含む): 25380864

約数和(自身を除く): 8659335

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 22031, 66093, 242341, 506713, 727023, 1520139, 5573843, 16721529]

約数ペア:

[(1, 16721529), (3, 5573843), (11, 1520139), (23, 727023), (33, 506713), (69, 242341), (253, 66093), (759, 22031)]