21174180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20759}}^1$

素因数の和:20788

約数の個数: 48

約数和(自身を含む): 62778240

約数和(自身を除く): 41604060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20759, 41518, 62277, 83036, 103795, 124554, 207590, 249108, 311385, 352903, 415180, 622770, 705806, 1058709, 1245540, 1411612, 1764515, 2117418, 3529030, 4234836, 5293545, 7058060, 10587090, 21174180]

約数ペア:

[(1, 21174180), (2, 10587090), (3, 7058060), (4, 5293545), (5, 4234836), (6, 3529030), (10, 2117418), (12, 1764515), (15, 1411612), (17, 1245540), (20, 1058709), (30, 705806), (34, 622770), (51, 415180), (60, 352903), (68, 311385), (85, 249108), (102, 207590), (170, 124554), (204, 103795), (255, 83036), (340, 62277), (510, 41518), (1020, 20759)]