21041526

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318811}}^1$

素因数の和:318827

約数の個数: 16

約数和(自身を含む): 45908928

約数和(自身を除く): 24867402

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318811, 637622, 956433, 1912866, 3506921, 7013842, 10520763, 21041526]

約数ペア:

[(1, 21041526), (2, 10520763), (3, 7013842), (6, 3506921), (11, 1912866), (22, 956433), (33, 637622), (66, 318811)]