21297907683

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{261167}}^1$

素因数の和:261244

約数の個数: 48

約数和(自身を含む): 35934627456

約数和(自身を除く): 14636719773

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 369, 533, 663, 697, 1599, 1989, 2091, 4797, 6273, 9061, 27183, 81549, 261167, 783501, 2350503, 3395171, 4439839, 10185513, 10707847, 13319517, 30556539, 32123541, 39958551, 57717907, 96370623, 139202011, 173153721, 182033399, 417606033, 519461163, 546100197, 1252818099, 1638300591, 2366434187, 7099302561, 21297907683]

約数ペア:

[(1, 21297907683), (3, 7099302561), (9, 2366434187), (13, 1638300591), (17, 1252818099), (39, 546100197), (41, 519461163), (51, 417606033), (117, 182033399), (123, 173153721), (153, 139202011), (221, 96370623), (369, 57717907), (533, 39958551), (663, 32123541), (697, 30556539), (1599, 13319517), (1989, 10707847), (2091, 10185513), (4797, 4439839), (6273, 3395171), (9061, 2350503), (27183, 783501), (81549, 261167)]