21723729

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3583}}^1$

素因数の和:3676

約数の個数: 16

約数和(自身を含む): 30277632

約数和(自身を除く): 8553903

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3583, 6063, 10749, 154069, 168401, 462207, 505203, 7241243, 21723729]

約数ペア:

[(1, 21723729), (3, 7241243), (43, 505203), (47, 462207), (129, 168401), (141, 154069), (2021, 10749), (3583, 6063)]