21689228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5939}}^1$

素因数の和:6037

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 20223412

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5939, 11878, 23756, 65329, 130658, 261316, 492937, 985874, 1971748, 5422307, 10844614, 21689228]

約数ペア:

[(1, 21689228), (2, 10844614), (4, 5422307), (11, 1971748), (22, 985874), (44, 492937), (83, 261316), (166, 130658), (332, 65329), (913, 23756), (1826, 11878), (3652, 5939)]