21940863

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14347137

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1499, 2091, 4497, 4879, 10493, 14637, 25483, 31479, 61459, 76449, 178381, 184377, 430213, 535143, 1044803, 1290639, 3134409, 7313621, 21940863]

約数ペア:

[(1, 21940863), (3, 7313621), (7, 3134409), (17, 1290639), (21, 1044803), (41, 535143), (51, 430213), (119, 184377), (123, 178381), (287, 76449), (357, 61459), (697, 31479), (861, 25483), (1499, 14637), (2091, 10493), (4497, 4879)]