221940818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{21061}}^1$

素因数の和:21553

約数の個数: 16

約数和(自身を含む): 363951360

約数和(自身を除く): 142010542

約数列:

[1, 2, 11, 22, 479, 958, 5269, 10538, 21061, 42122, 231671, 463342, 10088219, 20176438, 110970409, 221940818]

約数ペア:

[(1, 221940818), (2, 110970409), (11, 20176438), (22, 10088219), (479, 463342), (958, 231671), (5269, 42122), (10538, 21061)]