21201418

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4603}}^1$

素因数の和:4666

約数の個数: 24

約数和(自身を含む): 37789632

約数和(自身を除く): 16588214

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 658, 2303, 4603, 4606, 9206, 32221, 64442, 216341, 225547, 432682, 451094, 1514387, 3028774, 10600709, 21201418]

約数ペア:

[(1, 21201418), (2, 10600709), (7, 3028774), (14, 1514387), (47, 451094), (49, 432682), (94, 225547), (98, 216341), (329, 64442), (658, 32221), (2303, 9206), (4603, 4606)]