21473287

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 3409913

約数列:

[1, 11, 19, 127, 209, 809, 1397, 2413, 8899, 15371, 26543, 102743, 169081, 1130173, 1952117, 21473287]

約数ペア:

[(1, 21473287), (11, 1952117), (19, 1130173), (127, 169081), (209, 102743), (809, 26543), (1397, 15371), (2413, 8899)]