21531862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{33749}}^1$

素因数の和:33791

約数の個数: 16

約数和(自身を含む): 36450000

約数和(自身を除く): 14918138

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 33749, 67498, 371239, 742478, 978721, 1957442, 10765931, 21531862]

約数ペア:

[(1, 21531862), (2, 10765931), (11, 1957442), (22, 978721), (29, 742478), (58, 371239), (319, 67498), (638, 33749)]