21805956

素因数分解:

$2^2\times 3^3\times {\mathrm{201907}}^1$

素因数の和:201920

約数の個数: 24

約数和(自身を含む): 56534240

約数和(自身を除く): 34728284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 201907, 403814, 605721, 807628, 1211442, 1817163, 2422884, 3634326, 5451489, 7268652, 10902978, 21805956]

約数ペア:

[(1, 21805956), (2, 10902978), (3, 7268652), (4, 5451489), (6, 3634326), (9, 2422884), (12, 1817163), (18, 1211442), (27, 807628), (36, 605721), (54, 403814), (108, 201907)]