21299470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{359}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19524530

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 349, 359, 698, 718, 1745, 1795, 3490, 3590, 5933, 6103, 11866, 12206, 29665, 30515, 59330, 61030, 125291, 250582, 626455, 1252910, 2129947, 4259894, 10649735, 21299470]

約数ペア:

[(1, 21299470), (2, 10649735), (5, 4259894), (10, 2129947), (17, 1252910), (34, 626455), (85, 250582), (170, 125291), (349, 61030), (359, 59330), (698, 30515), (718, 29665), (1745, 12206), (1795, 11866), (3490, 6103), (3590, 5933)]