21542444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3041}}^1$

素因数の和:3086

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 27518932

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3041, 3542, 6082, 7084, 12164, 21287, 33451, 42574, 66902, 69943, 85148, 133804, 139886, 234157, 279772, 468314, 489601, 769373, 936628, 979202, 1538746, 1958404, 3077492, 5385611, 10771222, 21542444]

約数ペア:

[(1, 21542444), (2, 10771222), (4, 5385611), (7, 3077492), (11, 1958404), (14, 1538746), (22, 979202), (23, 936628), (28, 769373), (44, 489601), (46, 468314), (77, 279772), (92, 234157), (154, 139886), (161, 133804), (253, 85148), (308, 69943), (322, 66902), (506, 42574), (644, 33451), (1012, 21287), (1771, 12164), (3041, 7084), (3542, 6082)]