21898994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2657}}^1$

素因数の和:2989

約数の個数: 16

約数和(自身を含む): 35500248

約数和(自身を除く): 13601254

約数列:

[1, 2, 13, 26, 317, 634, 2657, 4121, 5314, 8242, 34541, 69082, 842269, 1684538, 10949497, 21898994]

約数ペア:

[(1, 21898994), (2, 10949497), (13, 1684538), (26, 842269), (317, 69082), (634, 34541), (2657, 8242), (4121, 5314)]