21706426

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{15053}}^1$

素因数の和:15165

約数の個数: 16

約数和(自身を含む): 37574784

約数和(自身を除く): 15868358

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 15053, 30106, 105371, 210742, 1550459, 3100918, 10853213, 21706426]

約数ペア:

[(1, 21706426), (2, 10853213), (7, 3100918), (14, 1550459), (103, 210742), (206, 105371), (721, 30106), (1442, 15053)]