21361207

素因数分解:

$7^2\times {\mathrm{233}}^1\times {\mathrm{1871}}^1$

素因数の和:2118

約数の個数: 12

約数和(自身を含む): 24968736

約数和(自身を除く): 3607529

約数列:

[1, 7, 49, 233, 1631, 1871, 11417, 13097, 91679, 435943, 3051601, 21361207]

約数ペア:

[(1, 21361207), (7, 3051601), (49, 435943), (233, 91679), (1631, 13097), (1871, 11417)]