21260866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26119}}^1$

素因数の和:26169

約数の個数: 16

約数和(自身を含む): 35732160

約数和(自身を除く): 14471294

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26119, 52238, 287309, 574618, 966403, 1932806, 10630433, 21260866]

約数ペア:

[(1, 21260866), (2, 10630433), (11, 1932806), (22, 966403), (37, 574618), (74, 287309), (407, 52238), (814, 26119)]