21027116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2143}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 40341504

約数和(自身を除く): 19314388

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2143, 2453, 4286, 4906, 8572, 9812, 23573, 47146, 94292, 477889, 955778, 1911556, 5256779, 10513558, 21027116]

約数ペア:

[(1, 21027116), (2, 10513558), (4, 5256779), (11, 1911556), (22, 955778), (44, 477889), (223, 94292), (446, 47146), (892, 23573), (2143, 9812), (2453, 8572), (4286, 4906)]