21269916

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{2969}}^1$

素因数の和:3178

約数の個数: 36

約数和(自身を含む): 54054000

約数和(自身を除く): 32784084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1791, 2388, 2969, 3582, 5938, 7164, 8907, 11876, 17814, 26721, 35628, 53442, 106884, 590831, 1181662, 1772493, 2363324, 3544986, 5317479, 7089972, 10634958, 21269916]

約数ペア:

[(1, 21269916), (2, 10634958), (3, 7089972), (4, 5317479), (6, 3544986), (9, 2363324), (12, 1772493), (18, 1181662), (36, 590831), (199, 106884), (398, 53442), (597, 35628), (796, 26721), (1194, 17814), (1791, 11876), (2388, 8907), (2969, 7164), (3582, 5938)]