21082292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68449}}^1$

素因数の和:68471

約数の個数: 24

約数和(自身を含む): 45998400

約数和(自身を除く): 24916108

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68449, 136898, 273796, 479143, 752939, 958286, 1505878, 1916572, 3011756, 5270573, 10541146, 21082292]

約数ペア:

[(1, 21082292), (2, 10541146), (4, 5270573), (7, 3011756), (11, 1916572), (14, 1505878), (22, 958286), (28, 752939), (44, 479143), (77, 273796), (154, 136898), (308, 68449)]