21787337

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1009}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 25791360

約数和(自身を除く): 4004023

約数列:

[1, 11, 13, 143, 151, 1009, 1661, 1963, 11099, 13117, 21593, 144287, 152359, 1675949, 1980667, 21787337]

約数ペア:

[(1, 21787337), (11, 1980667), (13, 1675949), (143, 152359), (151, 144287), (1009, 21593), (1661, 13117), (1963, 11099)]