21064406

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 35786016

約数和(自身を除く): 14721610

約数列:

[1, 2, 11, 22, 41, 82, 121, 193, 242, 386, 451, 902, 1331, 2123, 2662, 4246, 4961, 7913, 9922, 15826, 23353, 46706, 54571, 87043, 109142, 174086, 256883, 513766, 957473, 1914946, 10532203, 21064406]

約数ペア:

[(1, 21064406), (2, 10532203), (11, 1914946), (22, 957473), (41, 513766), (82, 256883), (121, 174086), (193, 109142), (242, 87043), (386, 54571), (451, 46706), (902, 23353), (1331, 15826), (2123, 9922), (2662, 7913), (4246, 4961)]