21841144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210011}}^1$

素因数の和:210030

約数の個数: 16

約数和(自身を含む): 44102520

約数和(自身を除く): 22261376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210011, 420022, 840044, 1680088, 2730143, 5460286, 10920572, 21841144]

約数ペア:

[(1, 21841144), (2, 10920572), (4, 5460286), (8, 2730143), (13, 1680088), (26, 840044), (52, 420022), (104, 210011)]