21974084

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:656

約数の個数: 36

約数和(自身を含む): 42855792

約数和(自身を除く): 20881708

約数列:

[1, 2, 4, 11, 22, 44, 83, 121, 166, 242, 332, 484, 547, 913, 1094, 1826, 2188, 3652, 6017, 10043, 12034, 20086, 24068, 40172, 45401, 66187, 90802, 132374, 181604, 264748, 499411, 998822, 1997644, 5493521, 10987042, 21974084]

約数ペア:

[(1, 21974084), (2, 10987042), (4, 5493521), (11, 1997644), (22, 998822), (44, 499411), (83, 264748), (121, 181604), (166, 132374), (242, 90802), (332, 66187), (484, 45401), (547, 40172), (913, 24068), (1094, 20086), (1826, 12034), (2188, 10043), (3652, 6017)]