21884729

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 24178176

約数和(自身を除く): 2293447

約数列:

[1, 17, 31, 131, 317, 527, 2227, 4061, 5389, 9827, 41527, 69037, 167059, 705959, 1287337, 21884729]

約数ペア:

[(1, 21884729), (17, 1287337), (31, 705959), (131, 167059), (317, 69037), (527, 41527), (2227, 9827), (4061, 5389)]