21046448

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32083}}^1$

素因数の和:32132

約数の個数: 20

約数和(自身を含む): 41773368

約数和(自身を除く): 20726920

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32083, 64166, 128332, 256664, 513328, 1315403, 2630806, 5261612, 10523224, 21046448]

約数ペア:

[(1, 21046448), (2, 10523224), (4, 5261612), (8, 2630806), (16, 1315403), (41, 513328), (82, 256664), (164, 128332), (328, 64166), (656, 32083)]