21501158

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 39693888

約数和(自身を除く): 18192730

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1481, 2074, 2962, 7259, 10367, 14518, 20734, 25177, 50354, 90341, 176239, 180682, 352478, 632387, 1264774, 1535797, 3071594, 10750579, 21501158]

約数ペア:

[(1, 21501158), (2, 10750579), (7, 3071594), (14, 1535797), (17, 1264774), (34, 632387), (61, 352478), (119, 180682), (122, 176239), (238, 90341), (427, 50354), (854, 25177), (1037, 20734), (1481, 14518), (2074, 10367), (2962, 7259)]