21613456

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3527}}^1$

素因数の和:3918

約数の個数: 20

約数和(自身を含む): 41997312

約数和(自身を除く): 20383856

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 3527, 6128, 7054, 14108, 28216, 56432, 1350841, 2701682, 5403364, 10806728, 21613456]

約数ペア:

[(1, 21613456), (2, 10806728), (4, 5403364), (8, 2701682), (16, 1350841), (383, 56432), (766, 28216), (1532, 14108), (3064, 7054), (3527, 6128)]