21712894

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{10271}}^1$

素因数の和:10431

約数の個数: 16

約数和(自身を含む): 37472256

約数和(自身を除く): 15759362

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 10271, 20542, 71897, 143794, 1550921, 3101842, 10856447, 21712894]

約数ペア:

[(1, 21712894), (2, 10856447), (7, 3101842), (14, 1550921), (151, 143794), (302, 71897), (1057, 20542), (2114, 10271)]