21559328

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 49008960

約数和(自身を除く): 27449632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 763, 872, 883, 1526, 1744, 1766, 3052, 3488, 3532, 6104, 6181, 7064, 12208, 12362, 14128, 24416, 24724, 28256, 49448, 96247, 98896, 192494, 197792, 384988, 673729, 769976, 1347458, 1539952, 2694916, 3079904, 5389832, 10779664, 21559328]

約数ペア:

[(1, 21559328), (2, 10779664), (4, 5389832), (7, 3079904), (8, 2694916), (14, 1539952), (16, 1347458), (28, 769976), (32, 673729), (56, 384988), (109, 197792), (112, 192494), (218, 98896), (224, 96247), (436, 49448), (763, 28256), (872, 24724), (883, 24416), (1526, 14128), (1744, 12362), (1766, 12208), (3052, 7064), (3488, 6181), (3532, 6104)]