21588259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1117}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 27046656

約数和(自身を除く): 5458397

約数列:

[1, 7, 11, 77, 251, 1117, 1757, 2761, 7819, 12287, 19327, 86009, 280367, 1962569, 3084037, 21588259]

約数ペア:

[(1, 21588259), (7, 3084037), (11, 1962569), (77, 280367), (251, 86009), (1117, 19327), (1757, 12287), (2761, 7819)]