21390083

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1481}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 25395552

約数和(自身を除く): 4005469

約数列:

[1, 11, 13, 101, 143, 1111, 1313, 1481, 14443, 16291, 19253, 149581, 211783, 1645391, 1944553, 21390083]

約数ペア:

[(1, 21390083), (11, 1944553), (13, 1645391), (101, 211783), (143, 149581), (1111, 19253), (1313, 16291), (1481, 14443)]