21789824

素因数分解:

$2^7\times 7^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 50379840

約数和(自身を除く): 28590016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 293, 332, 448, 581, 586, 664, 896, 1162, 1172, 1328, 2051, 2324, 2344, 2656, 4102, 4648, 4688, 5312, 8204, 9296, 9376, 10624, 16408, 18592, 18752, 24319, 32816, 37184, 37504, 48638, 65632, 74368, 97276, 131264, 170233, 194552, 262528, 340466, 389104, 680932, 778208, 1361864, 1556416, 2723728, 3112832, 5447456, 10894912, 21789824]

約数ペア:

[(1, 21789824), (2, 10894912), (4, 5447456), (7, 3112832), (8, 2723728), (14, 1556416), (16, 1361864), (28, 778208), (32, 680932), (56, 389104), (64, 340466), (83, 262528), (112, 194552), (128, 170233), (166, 131264), (224, 97276), (293, 74368), (332, 65632), (448, 48638), (581, 37504), (586, 37184), (664, 32816), (896, 24319), (1162, 18752), (1172, 18592), (1328, 16408), (2051, 10624), (2324, 9376), (2344, 9296), (2656, 8204), (4102, 5312), (4648, 4688)]