21976559

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 3632401

約数列:

[1, 11, 19, 71, 209, 781, 1349, 1481, 14839, 16291, 28139, 105151, 309529, 1156661, 1997869, 21976559]

約数ペア:

[(1, 21976559), (11, 1997869), (19, 1156661), (71, 309529), (209, 105151), (781, 28139), (1349, 16291), (1481, 14839)]