21943727

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1217}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 25236960

約数和(自身を除く): 3293233

約数列:

[1, 13, 19, 73, 247, 949, 1217, 1387, 15821, 18031, 23123, 88841, 300599, 1154933, 1687979, 21943727]

約数ペア:

[(1, 21943727), (13, 1687979), (19, 1154933), (73, 300599), (247, 88841), (949, 23123), (1217, 18031), (1387, 15821)]