21613336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{142193}}^1$

素因数の和:142218

約数の個数: 16

約数和(自身を含む): 42658200

約数和(自身を除く): 21044864

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 142193, 284386, 568772, 1137544, 2701667, 5403334, 10806668, 21613336]

約数ペア:

[(1, 21613336), (2, 10806668), (4, 5403334), (8, 2701667), (19, 1137544), (38, 568772), (76, 284386), (152, 142193)]