21771849

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^2$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 33702048

約数和(自身を除く): 11930199

約数列:

[1, 3, 11, 17, 33, 51, 187, 197, 561, 591, 2167, 3349, 6501, 10047, 36839, 38809, 110517, 116427, 426899, 659753, 1280697, 1979259, 7257283, 21771849]

約数ペア:

[(1, 21771849), (3, 7257283), (11, 1979259), (17, 1280697), (33, 659753), (51, 426899), (187, 116427), (197, 110517), (561, 38809), (591, 36839), (2167, 10047), (3349, 6501)]