21966503

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 24366720

約数和(自身を除く): 2400217

約数列:

[1, 13, 73, 79, 293, 949, 1027, 3809, 5767, 21389, 23147, 74971, 278057, 300911, 1689731, 21966503]

約数ペア:

[(1, 21966503), (13, 1689731), (73, 300911), (79, 278057), (293, 74971), (949, 23147), (1027, 21389), (3809, 5767)]