21393099

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8707}}^1$

素因数の和:8736

約数の個数: 32

約数和(自身を含む): 39011840

約数和(自身を除く): 17618741

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8707, 26121, 60949, 78363, 113191, 182847, 235089, 339573, 548541, 792337, 1018719, 1645623, 2377011, 3056157, 7131033, 21393099]

約数ペア:

[(1, 21393099), (3, 7131033), (7, 3056157), (9, 2377011), (13, 1645623), (21, 1018719), (27, 792337), (39, 548541), (63, 339573), (91, 235089), (117, 182847), (189, 113191), (273, 78363), (351, 60949), (819, 26121), (2457, 8707)]