21233527

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1637}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 4712393

約数列:

[1, 7, 17, 109, 119, 763, 1637, 1853, 11459, 12971, 27829, 178433, 194803, 1249031, 3033361, 21233527]

約数ペア:

[(1, 21233527), (7, 3033361), (17, 1249031), (109, 194803), (119, 178433), (763, 27829), (1637, 12971), (1853, 11459)]