21050986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5531}}^1$

素因数の和:5717

約数の個数: 16

約数和(自身を含む): 34652448

約数和(自身を除く): 13601462

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5531, 11062, 60841, 121682, 956863, 1913726, 10525493, 21050986]

約数ペア:

[(1, 21050986), (2, 10525493), (11, 1913726), (22, 956863), (173, 121682), (346, 60841), (1903, 11062), (3806, 5531)]