21770478

素因数分解:

$2^1\times 3^3\times {\mathrm{359}}^1\times {\mathrm{1123}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 48556800

約数和(自身を除く): 26786322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 359, 718, 1077, 1123, 2154, 2246, 3231, 3369, 6462, 6738, 9693, 10107, 19386, 20214, 30321, 60642, 403157, 806314, 1209471, 2418942, 3628413, 7256826, 10885239, 21770478]

約数ペア:

[(1, 21770478), (2, 10885239), (3, 7256826), (6, 3628413), (9, 2418942), (18, 1209471), (27, 806314), (54, 403157), (359, 60642), (718, 30321), (1077, 20214), (1123, 19386), (2154, 10107), (2246, 9693), (3231, 6738), (3369, 6462)]