21906863

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3779}}^1$

素因数の和:3838

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 4220497

約数列:

[1, 11, 17, 31, 187, 341, 527, 3779, 5797, 41569, 64243, 117149, 706673, 1288639, 1991533, 21906863]

約数ペア:

[(1, 21906863), (11, 1991533), (17, 1288639), (31, 706673), (187, 117149), (341, 64243), (527, 41569), (3779, 5797)]