21210068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2693}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 40733280

約数和(自身を除く): 19523212

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2693, 3938, 5386, 7876, 10772, 29623, 59246, 118492, 482047, 964094, 1928188, 5302517, 10605034, 21210068]

約数ペア:

[(1, 21210068), (2, 10605034), (4, 5302517), (11, 1928188), (22, 964094), (44, 482047), (179, 118492), (358, 59246), (716, 29623), (1969, 10772), (2693, 7876), (3938, 5386)]