12921286

素因数分解:

$2^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1657}}^1$

素因数の和:2223

約数の個数: 16

約数和(自身を含む): 22203936

約数和(自身を除く): 9282650

約数列:

[1, 2, 7, 14, 557, 1114, 1657, 3314, 3899, 7798, 11599, 23198, 922949, 1845898, 6460643, 12921286]

約数ペア:

[(1, 12921286), (2, 6460643), (7, 1845898), (14, 922949), (557, 23198), (1114, 11599), (1657, 7798), (3314, 3899)]