21326144

素因数分解:

$2^6\times 7^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:463

約数の個数: 56

約数和(自身を含む): 48816768

約数和(自身を除く): 27490624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 181, 224, 263, 362, 448, 526, 724, 1052, 1267, 1448, 1841, 2104, 2534, 2896, 3682, 4208, 5068, 5792, 7364, 8416, 10136, 11584, 14728, 16832, 20272, 29456, 40544, 47603, 58912, 81088, 95206, 117824, 190412, 333221, 380824, 666442, 761648, 1332884, 1523296, 2665768, 3046592, 5331536, 10663072, 21326144]

約数ペア:

[(1, 21326144), (2, 10663072), (4, 5331536), (7, 3046592), (8, 2665768), (14, 1523296), (16, 1332884), (28, 761648), (32, 666442), (56, 380824), (64, 333221), (112, 190412), (181, 117824), (224, 95206), (263, 81088), (362, 58912), (448, 47603), (526, 40544), (724, 29456), (1052, 20272), (1267, 16832), (1448, 14728), (1841, 11584), (2104, 10136), (2534, 8416), (2896, 7364), (3682, 5792), (4208, 5068)]