21182084

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 46757760

約数和(自身を除く): 25575676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 679, 709, 1067, 1358, 1418, 2134, 2716, 2836, 4268, 4963, 7469, 7799, 9926, 14938, 15598, 19852, 29876, 31196, 54593, 68773, 109186, 137546, 218372, 275092, 481411, 756503, 962822, 1513006, 1925644, 3026012, 5295521, 10591042, 21182084]

約数ペア:

[(1, 21182084), (2, 10591042), (4, 5295521), (7, 3026012), (11, 1925644), (14, 1513006), (22, 962822), (28, 756503), (44, 481411), (77, 275092), (97, 218372), (154, 137546), (194, 109186), (308, 68773), (388, 54593), (679, 31196), (709, 29876), (1067, 19852), (1358, 15598), (1418, 14938), (2134, 9926), (2716, 7799), (2836, 7469), (4268, 4963)]