21000296944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{209701}}^1$

素因数の和:210289

約数の個数: 40

約数和(自身を含む): 44465212080

約数和(自身を除く): 23464915136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 569, 1138, 2276, 4552, 6259, 9104, 12518, 25036, 50072, 100144, 209701, 419402, 838804, 1677608, 2306711, 3355216, 4613422, 9226844, 18453688, 36907376, 119319869, 238639738, 477279476, 954558952, 1312518559, 1909117904, 2625037118, 5250074236, 10500148472, 21000296944]

約数ペア:

[(1, 21000296944), (2, 10500148472), (4, 5250074236), (8, 2625037118), (11, 1909117904), (16, 1312518559), (22, 954558952), (44, 477279476), (88, 238639738), (176, 119319869), (569, 36907376), (1138, 18453688), (2276, 9226844), (4552, 4613422), (6259, 3355216), (9104, 2306711), (12518, 1677608), (25036, 838804), (50072, 419402), (100144, 209701)]