21861664

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 47355840

約数和(自身を除く): 25494176

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 173, 176, 346, 352, 359, 692, 718, 1384, 1436, 1903, 2768, 2872, 3806, 3949, 5536, 5744, 7612, 7898, 11488, 15224, 15796, 30448, 31592, 60896, 62107, 63184, 124214, 126368, 248428, 496856, 683177, 993712, 1366354, 1987424, 2732708, 5465416, 10930832, 21861664]

約数ペア:

[(1, 21861664), (2, 10930832), (4, 5465416), (8, 2732708), (11, 1987424), (16, 1366354), (22, 993712), (32, 683177), (44, 496856), (88, 248428), (173, 126368), (176, 124214), (346, 63184), (352, 62107), (359, 60896), (692, 31592), (718, 30448), (1384, 15796), (1436, 15224), (1903, 11488), (2768, 7898), (2872, 7612), (3806, 5744), (3949, 5536)]