21162258

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90437}}^1$

素因数の和:90458

約数の個数: 24

約数和(自身を含む): 49379148

約数和(自身を除く): 28216890

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90437, 180874, 271311, 542622, 813933, 1175681, 1627866, 2351362, 3527043, 7054086, 10581129, 21162258]

約数ペア:

[(1, 21162258), (2, 10581129), (3, 7054086), (6, 3527043), (9, 2351362), (13, 1627866), (18, 1175681), (26, 813933), (39, 542622), (78, 271311), (117, 180874), (234, 90437)]