21095556292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{110441}}^1$

素因数の和:110568

約数の個数: 36

約数和(自身を含む): 39840626196

約数和(自身を除く): 18745069904

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 2809, 3604, 5618, 11236, 47753, 95506, 110441, 191012, 220882, 441764, 1877497, 3754994, 5853373, 7509988, 11706746, 23413492, 99507341, 199014682, 310228769, 398029364, 620457538, 1240915076, 5273889073, 10547778146, 21095556292]

約数ペア:

[(1, 21095556292), (2, 10547778146), (4, 5273889073), (17, 1240915076), (34, 620457538), (53, 398029364), (68, 310228769), (106, 199014682), (212, 99507341), (901, 23413492), (1802, 11706746), (2809, 7509988), (3604, 5853373), (5618, 3754994), (11236, 1877497), (47753, 441764), (95506, 220882), (110441, 191012)]