21706035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 37692480

約数和(自身を除く): 15986445

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 709, 785, 2041, 2127, 2355, 3545, 6123, 9217, 10205, 10635, 27651, 30615, 46085, 111313, 138255, 333939, 556565, 1447069, 1669695, 4341207, 7235345, 21706035]

約数ペア:

[(1, 21706035), (3, 7235345), (5, 4341207), (13, 1669695), (15, 1447069), (39, 556565), (65, 333939), (157, 138255), (195, 111313), (471, 46085), (709, 30615), (785, 27651), (2041, 10635), (2127, 10205), (2355, 9217), (3545, 6123)]