21840869

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 24458112

約数和(自身を除く): 2617243

約数列:

[1, 17, 23, 83, 391, 673, 1411, 1909, 11441, 15479, 32453, 55859, 263143, 949603, 1284757, 21840869]

約数ペア:

[(1, 21840869), (17, 1284757), (23, 949603), (83, 263143), (391, 55859), (673, 32453), (1411, 15479), (1909, 11441)]