21589167

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 31451536

約数和(自身を除く): 9862369

約数列:

[1, 3, 17, 37, 51, 111, 289, 629, 673, 867, 1887, 2019, 10693, 11441, 24901, 32079, 34323, 74703, 194497, 423317, 583491, 1269951, 7196389, 21589167]

約数ペア:

[(1, 21589167), (3, 7196389), (17, 1269951), (37, 583491), (51, 423317), (111, 194497), (289, 74703), (629, 34323), (673, 32079), (867, 24901), (1887, 11441), (2019, 10693)]