21283878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2049

約数の個数: 64

約数和(自身を含む): 55406592

約数和(自身を除く): 34122714

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 2003, 3542, 4006, 5313, 6009, 10626, 12018, 14021, 22033, 28042, 42063, 44066, 46069, 66099, 84126, 92138, 132198, 138207, 154231, 276414, 308462, 322483, 462693, 506759, 644966, 925386, 967449, 1013518, 1520277, 1934898, 3040554, 3547313, 7094626, 10641939, 21283878]

約数ペア:

[(1, 21283878), (2, 10641939), (3, 7094626), (6, 3547313), (7, 3040554), (11, 1934898), (14, 1520277), (21, 1013518), (22, 967449), (23, 925386), (33, 644966), (42, 506759), (46, 462693), (66, 322483), (69, 308462), (77, 276414), (138, 154231), (154, 138207), (161, 132198), (231, 92138), (253, 84126), (322, 66099), (462, 46069), (483, 44066), (506, 42063), (759, 28042), (966, 22033), (1518, 14021), (1771, 12018), (2003, 10626), (3542, 6009), (4006, 5313)]