21806074

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{1117}}^1$

素因数の和:1389

約数の個数: 16

約数和(自身を含む): 33647328

約数和(自身を除く): 11841254

約数列:

[1, 2, 43, 86, 227, 454, 1117, 2234, 9761, 19522, 48031, 96062, 253559, 507118, 10903037, 21806074]

約数ペア:

[(1, 21806074), (2, 10903037), (43, 507118), (86, 253559), (227, 96062), (454, 48031), (1117, 19522), (2234, 9761)]