21009064

素因数分解:

$2^3\times {\mathrm{1327}}^1\times {\mathrm{1979}}^1$

素因数の和:3312

約数の個数: 16

約数和(自身を含む): 39441600

約数和(自身を除く): 18432536

約数列:

[1, 2, 4, 8, 1327, 1979, 2654, 3958, 5308, 7916, 10616, 15832, 2626133, 5252266, 10504532, 21009064]

約数ペア:

[(1, 21009064), (2, 10504532), (4, 5252266), (8, 2626133), (1327, 15832), (1979, 10616), (2654, 7916), (3958, 5308)]