21055168

素因数分解:

$2^6\times {\mathrm{269}}^1\times {\mathrm{1223}}^1$

素因数の和:1504

約数の個数: 28

約数和(自身を含む): 41970960

約数和(自身を除く): 20915792

約数列:

[1, 2, 4, 8, 16, 32, 64, 269, 538, 1076, 1223, 2152, 2446, 4304, 4892, 8608, 9784, 17216, 19568, 39136, 78272, 328987, 657974, 1315948, 2631896, 5263792, 10527584, 21055168]

約数ペア:

[(1, 21055168), (2, 10527584), (4, 5263792), (8, 2631896), (16, 1315948), (32, 657974), (64, 328987), (269, 78272), (538, 39136), (1076, 19568), (1223, 17216), (2152, 9784), (2446, 8608), (4304, 4892)]