21167301124

素因数分解:

$2^2\times {\mathrm{1109}}^1\times {\mathrm{4771709}}^1$

素因数の和:4772822

約数の個数: 12

約数和(自身を含む): 37076186700

約数和(自身を除く): 15908885576

約数列:

[1, 2, 4, 1109, 2218, 4436, 4771709, 9543418, 19086836, 5291825281, 10583650562, 21167301124]

約数ペア:

[(1, 21167301124), (2, 10583650562), (4, 5291825281), (1109, 19086836), (2218, 9543418), (4436, 4771709)]