21704826

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 52327296

約数和(自身を除く): 30622470

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 41, 66, 78, 82, 123, 143, 246, 286, 429, 451, 533, 617, 858, 902, 1066, 1234, 1353, 1599, 1851, 2706, 3198, 3702, 5863, 6787, 8021, 11726, 13574, 16042, 17589, 20361, 24063, 25297, 35178, 40722, 48126, 50594, 75891, 88231, 151782, 176462, 264693, 278267, 328861, 529386, 556534, 657722, 834801, 986583, 1669602, 1973166, 3617471, 7234942, 10852413, 21704826]

約数ペア:

[(1, 21704826), (2, 10852413), (3, 7234942), (6, 3617471), (11, 1973166), (13, 1669602), (22, 986583), (26, 834801), (33, 657722), (39, 556534), (41, 529386), (66, 328861), (78, 278267), (82, 264693), (123, 176462), (143, 151782), (246, 88231), (286, 75891), (429, 50594), (451, 48126), (533, 40722), (617, 35178), (858, 25297), (902, 24063), (1066, 20361), (1234, 17589), (1353, 16042), (1599, 13574), (1851, 11726), (2706, 8021), (3198, 6787), (3702, 5863)]