21111048

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41887}}^1$

素因数の和:41906

約数の個数: 48

約数和(自身を含む): 65345280

約数和(自身を除く): 44234232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41887, 83774, 125661, 167548, 251322, 293209, 335096, 376983, 502644, 586418, 753966, 879627, 1005288, 1172836, 1507932, 1759254, 2345672, 2638881, 3015864, 3518508, 5277762, 7037016, 10555524, 21111048]

約数ペア:

[(1, 21111048), (2, 10555524), (3, 7037016), (4, 5277762), (6, 3518508), (7, 3015864), (8, 2638881), (9, 2345672), (12, 1759254), (14, 1507932), (18, 1172836), (21, 1005288), (24, 879627), (28, 753966), (36, 586418), (42, 502644), (56, 376983), (63, 335096), (72, 293209), (84, 251322), (126, 167548), (168, 125661), (252, 83774), (504, 41887)]