21530542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5657}}^1$

素因数の和:5843

約数の個数: 16

約数和(自身を含む): 35441712

約数和(自身を除く): 13911170

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5657, 11314, 62227, 124454, 978661, 1957322, 10765271, 21530542]

約数ペア:

[(1, 21530542), (2, 10765271), (11, 1957322), (22, 978661), (173, 124454), (346, 62227), (1903, 11314), (3806, 5657)]