21402722

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{1499}}^1$

素因数の和:1582

約数の個数: 24

約数和(自身を含む): 35910000

約数和(自身を除く): 14507278

約数列:

[1, 2, 11, 22, 59, 118, 121, 242, 649, 1298, 1499, 2998, 7139, 14278, 16489, 32978, 88441, 176882, 181379, 362758, 972851, 1945702, 10701361, 21402722]

約数ペア:

[(1, 21402722), (2, 10701361), (11, 1945702), (22, 972851), (59, 362758), (118, 181379), (121, 176882), (242, 88441), (649, 32978), (1298, 16489), (1499, 14278), (2998, 7139)]