221437229

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20849}}^1$

素因数の和:20924

約数の個数: 16

約数和(自身を含む): 256872000

約数和(自身を除く): 35434771

約数列:

[1, 13, 19, 43, 247, 559, 817, 10621, 20849, 271037, 396131, 896507, 5149703, 11654591, 17033633, 221437229]

約数ペア:

[(1, 221437229), (13, 17033633), (19, 11654591), (43, 5149703), (247, 896507), (559, 396131), (817, 271037), (10621, 20849)]