21687196

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 39118464

約数和(自身を除く): 17431268

約数列:

[1, 2, 4, 41, 82, 164, 223, 446, 593, 892, 1186, 2372, 9143, 18286, 24313, 36572, 48626, 97252, 132239, 264478, 528956, 5421799, 10843598, 21687196]

約数ペア:

[(1, 21687196), (2, 10843598), (4, 5421799), (41, 528956), (82, 264478), (164, 132239), (223, 97252), (446, 48626), (593, 36572), (892, 24313), (1186, 18286), (2372, 9143)]