21749306

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:446

約数の個数: 24

約数和(自身を含む): 34766004

約数和(自身を除く): 13016698

約数列:

[1, 2, 23, 46, 61, 122, 337, 529, 674, 1058, 1403, 2806, 7751, 15502, 20557, 32269, 41114, 64538, 178273, 356546, 472811, 945622, 10874653, 21749306]

約数ペア:

[(1, 21749306), (2, 10874653), (23, 945622), (46, 472811), (61, 356546), (122, 178273), (337, 64538), (529, 41114), (674, 32269), (1058, 20557), (1403, 15502), (2806, 7751)]