21770936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3389}}^1$

素因数の和:3479

約数の個数: 32

約数和(自身を含む): 45154800

約数和(自身を除く): 23383864

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 3389, 6424, 6778, 13556, 27112, 37279, 74558, 149116, 247397, 298232, 494794, 989588, 1979176, 2721367, 5442734, 10885468, 21770936]

約数ペア:

[(1, 21770936), (2, 10885468), (4, 5442734), (8, 2721367), (11, 1979176), (22, 989588), (44, 494794), (73, 298232), (88, 247397), (146, 149116), (292, 74558), (584, 37279), (803, 27112), (1606, 13556), (3212, 6778), (3389, 6424)]