21328642

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{2141}}^1$

素因数の和:2453

約数の個数: 16

約数和(自身を含む): 34006392

約数和(自身を除く): 12677750

約数列:

[1, 2, 17, 34, 293, 586, 2141, 4282, 4981, 9962, 36397, 72794, 627313, 1254626, 10664321, 21328642]

約数ペア:

[(1, 21328642), (2, 10664321), (17, 1254626), (34, 627313), (293, 72794), (586, 36397), (2141, 9962), (4282, 4981)]