21675824

素因数分解:

$2^4\times {\mathrm{1051}}^1\times {\mathrm{1289}}^1$

素因数の和:2348

約数の個数: 20

約数和(自身を含む): 42069480

約数和(自身を除く): 20393656

約数列:

[1, 2, 4, 8, 16, 1051, 1289, 2102, 2578, 4204, 5156, 8408, 10312, 16816, 20624, 1354739, 2709478, 5418956, 10837912, 21675824]

約数ペア:

[(1, 21675824), (2, 10837912), (4, 5418956), (8, 2709478), (16, 1354739), (1051, 20624), (1289, 16816), (2102, 10312), (2578, 8408), (4204, 5156)]