21193256

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1123}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 45589440

約数和(自身を除く): 24396184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 1123, 1348, 2246, 2359, 2696, 4492, 4718, 7861, 8984, 9436, 15722, 18872, 31444, 62888, 378451, 756902, 1513804, 2649157, 3027608, 5298314, 10596628, 21193256]

約数ペア:

[(1, 21193256), (2, 10596628), (4, 5298314), (7, 3027608), (8, 2649157), (14, 1513804), (28, 756902), (56, 378451), (337, 62888), (674, 31444), (1123, 18872), (1348, 15722), (2246, 9436), (2359, 8984), (2696, 7861), (4492, 4718)]