21713104

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8429}}^1$

素因数の和:8467

約数の個数: 40

約数和(自身を含む): 50175360

約数和(自身を除く): 28462256

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8429, 16858, 33716, 59003, 67432, 118006, 134864, 193867, 236012, 387734, 472024, 775468, 944048, 1357069, 1550936, 2714138, 3101872, 5428276, 10856552, 21713104]

約数ペア:

[(1, 21713104), (2, 10856552), (4, 5428276), (7, 3101872), (8, 2714138), (14, 1550936), (16, 1357069), (23, 944048), (28, 775468), (46, 472024), (56, 387734), (92, 236012), (112, 193867), (161, 134864), (184, 118006), (322, 67432), (368, 59003), (644, 33716), (1288, 16858), (2576, 8429)]