21406213

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2232827

約数列:

[1, 17, 31, 151, 269, 527, 2567, 4573, 4681, 8339, 40619, 79577, 141763, 690523, 1259189, 21406213]

約数ペア:

[(1, 21406213), (17, 1259189), (31, 690523), (151, 141763), (269, 79577), (527, 40619), (2567, 8339), (4573, 4681)]