21717542

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141023}}^1$

素因数の和:141043

約数の個数: 16

約数和(自身を含む): 40614912

約数和(自身を除く): 18897370

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141023, 282046, 987161, 1551253, 1974322, 3102506, 10858771, 21717542]

約数ペア:

[(1, 21717542), (2, 10858771), (7, 3102506), (11, 1974322), (14, 1551253), (22, 987161), (77, 282046), (154, 141023)]