21312214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 41981184

約数和(自身を除く): 20668970

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 242, 253, 322, 506, 547, 847, 1094, 1694, 1771, 2783, 3542, 3829, 5566, 6017, 7658, 12034, 12581, 19481, 25162, 38962, 42119, 66187, 84238, 88067, 132374, 138391, 176134, 276782, 463309, 926618, 968737, 1522301, 1937474, 3044602, 10656107, 21312214]

約数ペア:

[(1, 21312214), (2, 10656107), (7, 3044602), (11, 1937474), (14, 1522301), (22, 968737), (23, 926618), (46, 463309), (77, 276782), (121, 176134), (154, 138391), (161, 132374), (242, 88067), (253, 84238), (322, 66187), (506, 42119), (547, 38962), (847, 25162), (1094, 19481), (1694, 12581), (1771, 12034), (2783, 7658), (3542, 6017), (3829, 5566)]