21472022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 38132640

約数和(自身を除く): 16660618

約数列:

[1, 2, 11, 13, 22, 26, 143, 193, 286, 386, 389, 778, 2123, 2509, 4246, 4279, 5018, 5057, 8558, 10114, 27599, 55198, 55627, 75077, 111254, 150154, 825847, 976001, 1651694, 1952002, 10736011, 21472022]

約数ペア:

[(1, 21472022), (2, 10736011), (11, 1952002), (13, 1651694), (22, 976001), (26, 825847), (143, 150154), (193, 111254), (286, 75077), (386, 55627), (389, 55198), (778, 27599), (2123, 10114), (2509, 8558), (4246, 5057), (4279, 5018)]