21354137874

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{181759}}^1$

素因数の和:181935

約数の個数: 48

約数和(自身を含む): 47465533440

約数和(自身を除く): 26111395566

約数列:

[1, 2, 3, 6, 9, 18, 61, 107, 122, 183, 214, 321, 366, 549, 642, 963, 1098, 1926, 6527, 13054, 19581, 39162, 58743, 117486, 181759, 363518, 545277, 1090554, 1635831, 3271662, 11087299, 19448213, 22174598, 33261897, 38896426, 58344639, 66523794, 99785691, 116689278, 175033917, 199571382, 350067834, 1186340993, 2372681986, 3559022979, 7118045958, 10677068937, 21354137874]

約数ペア:

[(1, 21354137874), (2, 10677068937), (3, 7118045958), (6, 3559022979), (9, 2372681986), (18, 1186340993), (61, 350067834), (107, 199571382), (122, 175033917), (183, 116689278), (214, 99785691), (321, 66523794), (366, 58344639), (549, 38896426), (642, 33261897), (963, 22174598), (1098, 19448213), (1926, 11087299), (6527, 3271662), (13054, 1635831), (19581, 1090554), (39162, 545277), (58743, 363518), (117486, 181759)]