21049952

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8543}}^1$

素因数の和:8571

約数の個数: 48

約数和(自身を含む): 51674112

約数和(自身を除く): 30624160

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8543, 17086, 34172, 59801, 68344, 93973, 119602, 136688, 187946, 239204, 273376, 375892, 478408, 657811, 751784, 956816, 1315622, 1503568, 1913632, 2631244, 3007136, 5262488, 10524976, 21049952]

約数ペア:

[(1, 21049952), (2, 10524976), (4, 5262488), (7, 3007136), (8, 2631244), (11, 1913632), (14, 1503568), (16, 1315622), (22, 956816), (28, 751784), (32, 657811), (44, 478408), (56, 375892), (77, 273376), (88, 239204), (112, 187946), (154, 136688), (176, 119602), (224, 93973), (308, 68344), (352, 59801), (616, 34172), (1232, 17086), (2464, 8543)]