21718766

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{1531}}^1$

素因数の和:1747

約数の個数: 16

約数和(自身を含む): 33587568

約数和(自身を除く): 11868802

約数列:

[1, 2, 41, 82, 173, 346, 1531, 3062, 7093, 14186, 62771, 125542, 264863, 529726, 10859383, 21718766]

約数ペア:

[(1, 21718766), (2, 10859383), (41, 529726), (82, 264863), (173, 125542), (346, 62771), (1531, 14186), (3062, 7093)]