21000496956

素因数分解:

$2^2\times 3^1\times {\mathrm{1759}}^1\times {\mathrm{994907}}^1$

素因数の和:996673

約数の個数: 24

約数和(自身を含む): 49029066240

約数和(自身を除く): 28028569284

約数列:

[1, 2, 3, 4, 6, 12, 1759, 3518, 5277, 7036, 10554, 21108, 994907, 1989814, 2984721, 3979628, 5969442, 11938884, 1750041413, 3500082826, 5250124239, 7000165652, 10500248478, 21000496956]

約数ペア:

[(1, 21000496956), (2, 10500248478), (3, 7000165652), (4, 5250124239), (6, 3500082826), (12, 1750041413), (1759, 11938884), (3518, 5969442), (5277, 3979628), (7036, 2984721), (10554, 1989814), (21108, 994907)]