21477112

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65479}}^1$

素因数の和:65526

約数の個数: 16

約数和(自身を含む): 41252400

約数和(自身を除く): 19775288

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65479, 130958, 261916, 523832, 2684639, 5369278, 10738556, 21477112]

約数ペア:

[(1, 21477112), (2, 10738556), (4, 5369278), (8, 2684639), (41, 523832), (82, 261916), (164, 130958), (328, 65479)]