21730808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{246941}}^1$

素因数の和:246958

約数の個数: 16

約数和(自身を含む): 44449560

約数和(自身を除く): 22718752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 246941, 493882, 987764, 1975528, 2716351, 5432702, 10865404, 21730808]

約数ペア:

[(1, 21730808), (2, 10865404), (4, 5432702), (8, 2716351), (11, 1975528), (22, 987764), (44, 493882), (88, 246941)]