21466100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2213}}^1$

素因数の和:2324

約数の個数: 36

約数和(自身を含む): 47082924

約数和(自身を除く): 25616824

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2213, 2425, 4426, 4850, 8852, 9700, 11065, 22130, 44260, 55325, 110650, 214661, 221300, 429322, 858644, 1073305, 2146610, 4293220, 5366525, 10733050, 21466100]

約数ペア:

[(1, 21466100), (2, 10733050), (4, 5366525), (5, 4293220), (10, 2146610), (20, 1073305), (25, 858644), (50, 429322), (97, 221300), (100, 214661), (194, 110650), (388, 55325), (485, 44260), (970, 22130), (1940, 11065), (2213, 9700), (2425, 8852), (4426, 4850)]