21049492028

素因数分解:

$2^2\times {\mathrm{2207}}^1\times {\mathrm{2384401}}^1$

素因数の和:2386612

約数の個数: 12

約数和(自身を含む): 36853317312

約数和(自身を除く): 15803825284

約数列:

[1, 2, 4, 2207, 4414, 8828, 2384401, 4768802, 9537604, 5262373007, 10524746014, 21049492028]

約数ペア:

[(1, 21049492028), (2, 10524746014), (4, 5262373007), (2207, 9537604), (4414, 4768802), (8828, 2384401)]