21075728

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57271}}^1$

素因数の和:57302

約数の個数: 20

約数和(自身を含む): 42610368

約数和(自身を除く): 21534640

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57271, 114542, 229084, 458168, 916336, 1317233, 2634466, 5268932, 10537864, 21075728]

約数ペア:

[(1, 21075728), (2, 10537864), (4, 5268932), (8, 2634466), (16, 1317233), (23, 916336), (46, 458168), (92, 229084), (184, 114542), (368, 57271)]