21558394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 38896704

約数和(自身を除く): 17338310

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1753, 3506, 6149, 12298, 19283, 22789, 38566, 45578, 75379, 150758, 250679, 501358, 829169, 979927, 1658338, 1959854, 10779197, 21558394]

約数ペア:

[(1, 21558394), (2, 10779197), (11, 1959854), (13, 1658338), (22, 979927), (26, 829169), (43, 501358), (86, 250679), (143, 150758), (286, 75379), (473, 45578), (559, 38566), (946, 22789), (1118, 19283), (1753, 12298), (3506, 6149)]