21181022

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3361}}^1$

素因数の和:3523

約数の個数: 16

約数和(自身を含む): 33404832

約数和(自身を除く): 12223810

約数列:

[1, 2, 23, 46, 137, 274, 3151, 3361, 6302, 6722, 77303, 154606, 460457, 920914, 10590511, 21181022]

約数ペア:

[(1, 21181022), (2, 10590511), (23, 920914), (46, 460457), (137, 154606), (274, 77303), (3151, 6722), (3361, 6302)]