21346072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2267}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 44089920

約数和(自身を除く): 22743848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2267, 2354, 4534, 4708, 9068, 9416, 18136, 24937, 49874, 99748, 199496, 242569, 485138, 970276, 1940552, 2668259, 5336518, 10673036, 21346072]

約数ペア:

[(1, 21346072), (2, 10673036), (4, 5336518), (8, 2668259), (11, 1940552), (22, 970276), (44, 485138), (88, 242569), (107, 199496), (214, 99748), (428, 49874), (856, 24937), (1177, 18136), (2267, 9416), (2354, 9068), (4534, 4708)]