21095756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1823}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 19353268

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1823, 2893, 3646, 5786, 7292, 11572, 20053, 40106, 80212, 479449, 958898, 1917796, 5273939, 10547878, 21095756]

約数ペア:

[(1, 21095756), (2, 10547878), (4, 5273939), (11, 1917796), (22, 958898), (44, 479449), (263, 80212), (526, 40106), (1052, 20053), (1823, 11572), (2893, 7292), (3646, 5786)]