21159853

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2027}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 25212096

約数和(自身を除く): 4052243

約数列:

[1, 11, 13, 73, 143, 803, 949, 2027, 10439, 22297, 26351, 147971, 289861, 1627681, 1923623, 21159853]

約数ペア:

[(1, 21159853), (11, 1923623), (13, 1627681), (73, 289861), (143, 147971), (803, 26351), (949, 22297), (2027, 10439)]