21051765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22277}}^1$

素因数の和:22298

約数の個数: 32

約数和(自身を含む): 42773760

約数和(自身を除く): 21721995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22277, 66831, 111385, 155939, 200493, 334155, 467817, 601479, 779695, 1002465, 1403451, 2339085, 3007395, 4210353, 7017255, 21051765]

約数ペア:

[(1, 21051765), (3, 7017255), (5, 4210353), (7, 3007395), (9, 2339085), (15, 1403451), (21, 1002465), (27, 779695), (35, 601479), (45, 467817), (63, 334155), (105, 200493), (135, 155939), (189, 111385), (315, 66831), (945, 22277)]