21585828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3803}}^1$

素因数の和:3864

約数の個数: 48

約数和(自身を含む): 56238336

約数和(自身を除く): 34652508

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3803, 5676, 7606, 11409, 15212, 22818, 41833, 45636, 83666, 125499, 163529, 167332, 250998, 327058, 490587, 501996, 654116, 981174, 1798819, 1962348, 3597638, 5396457, 7195276, 10792914, 21585828]

約数ペア:

[(1, 21585828), (2, 10792914), (3, 7195276), (4, 5396457), (6, 3597638), (11, 1962348), (12, 1798819), (22, 981174), (33, 654116), (43, 501996), (44, 490587), (66, 327058), (86, 250998), (129, 167332), (132, 163529), (172, 125499), (258, 83666), (473, 45636), (516, 41833), (946, 22818), (1419, 15212), (1892, 11409), (2838, 7606), (3803, 5676)]