21094227

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 38688000

約数和(自身を除く): 17593773

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 183, 231, 427, 499, 549, 671, 693, 1281, 1497, 2013, 3493, 3843, 4491, 4697, 5489, 6039, 10479, 14091, 16467, 30439, 31437, 38423, 42273, 49401, 91317, 115269, 213073, 273951, 334829, 345807, 639219, 1004487, 1917657, 2343803, 3013461, 7031409, 21094227]

約数ペア:

[(1, 21094227), (3, 7031409), (7, 3013461), (9, 2343803), (11, 1917657), (21, 1004487), (33, 639219), (61, 345807), (63, 334829), (77, 273951), (99, 213073), (183, 115269), (231, 91317), (427, 49401), (499, 42273), (549, 38423), (671, 31437), (693, 30439), (1281, 16467), (1497, 14091), (2013, 10479), (3493, 6039), (3843, 5489), (4491, 4697)]