21109492

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3889}}^1$

素因数の和:3975

約数の個数: 24

約数和(自身を含む): 39211200

約数和(自身を除く): 18101708

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 236, 1357, 2714, 3889, 5428, 7778, 15556, 89447, 178894, 229451, 357788, 458902, 917804, 5277373, 10554746, 21109492]

約数ペア:

[(1, 21109492), (2, 10554746), (4, 5277373), (23, 917804), (46, 458902), (59, 357788), (92, 229451), (118, 178894), (236, 89447), (1357, 15556), (2714, 7778), (3889, 5428)]