21787068

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42223}}^1$

素因数の和:42273

約数の個数: 24

約数和(自身を含む): 52019968

約数和(自身を除く): 30232900

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42223, 84446, 126669, 168892, 253338, 506676, 1815589, 3631178, 5446767, 7262356, 10893534, 21787068]

約数ペア:

[(1, 21787068), (2, 10893534), (3, 7262356), (4, 5446767), (6, 3631178), (12, 1815589), (43, 506676), (86, 253338), (129, 168892), (172, 126669), (258, 84446), (516, 42223)]