21122964

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1493}}^1$

素因数の和:1637

約数の個数: 48

約数和(自身を含む): 55218240

約数和(自身を除く): 34095276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1493, 1572, 2358, 2986, 3537, 4479, 4716, 5972, 7074, 8958, 13437, 14148, 17916, 26874, 40311, 53748, 80622, 161244, 195583, 391166, 586749, 782332, 1173498, 1760247, 2346996, 3520494, 5280741, 7040988, 10561482, 21122964]

約数ペア:

[(1, 21122964), (2, 10561482), (3, 7040988), (4, 5280741), (6, 3520494), (9, 2346996), (12, 1760247), (18, 1173498), (27, 782332), (36, 586749), (54, 391166), (108, 195583), (131, 161244), (262, 80622), (393, 53748), (524, 40311), (786, 26874), (1179, 17916), (1493, 14148), (1572, 13437), (2358, 8958), (2986, 7074), (3537, 5972), (4479, 4716)]