21384858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{709}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 46825920

約数和(自身を除く): 25441062

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 457, 709, 914, 1371, 1418, 2127, 2742, 4254, 5027, 7799, 10054, 15081, 15598, 23397, 30162, 46794, 324013, 648026, 972039, 1944078, 3564143, 7128286, 10692429, 21384858]

約数ペア:

[(1, 21384858), (2, 10692429), (3, 7128286), (6, 3564143), (11, 1944078), (22, 972039), (33, 648026), (66, 324013), (457, 46794), (709, 30162), (914, 23397), (1371, 15598), (1418, 15081), (2127, 10054), (2742, 7799), (4254, 5027)]