20210542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1871}}^1$

素因数の和:2375

約数の個数: 16

約数和(自身を含む): 33156864

約数和(自身を除く): 12946322

約数列:

[1, 2, 11, 22, 491, 982, 1871, 3742, 5401, 10802, 20581, 41162, 918661, 1837322, 10105271, 20210542]

約数ペア:

[(1, 20210542), (2, 10105271), (11, 1837322), (22, 918661), (491, 41162), (982, 20581), (1871, 10802), (3742, 5401)]