21155442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1631

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 33449358

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1579, 1914, 2233, 3158, 4466, 4737, 6699, 9474, 11053, 13398, 17369, 22106, 33159, 34738, 45791, 52107, 66318, 91582, 104214, 121583, 137373, 243166, 274746, 320537, 364749, 503701, 641074, 729498, 961611, 1007402, 1511103, 1923222, 3022206, 3525907, 7051814, 10577721, 21155442]

約数ペア:

[(1, 21155442), (2, 10577721), (3, 7051814), (6, 3525907), (7, 3022206), (11, 1923222), (14, 1511103), (21, 1007402), (22, 961611), (29, 729498), (33, 641074), (42, 503701), (58, 364749), (66, 320537), (77, 274746), (87, 243166), (154, 137373), (174, 121583), (203, 104214), (231, 91582), (319, 66318), (406, 52107), (462, 45791), (609, 34738), (638, 33159), (957, 22106), (1218, 17369), (1579, 13398), (1914, 11053), (2233, 9474), (3158, 6699), (4466, 4737)]