21869874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4919}}^1$

素因数の和:4959

約数の個数: 48

約数和(自身を含む): 53726400

約数和(自身を除く): 31856526

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4919, 9838, 14757, 29514, 44271, 63947, 88542, 93461, 127894, 186922, 191841, 280383, 383682, 560766, 575523, 841149, 1151046, 1214993, 1682298, 2429986, 3644979, 7289958, 10934937, 21869874]

約数ペア:

[(1, 21869874), (2, 10934937), (3, 7289958), (6, 3644979), (9, 2429986), (13, 1682298), (18, 1214993), (19, 1151046), (26, 841149), (38, 575523), (39, 560766), (57, 383682), (78, 280383), (114, 191841), (117, 186922), (171, 127894), (234, 93461), (247, 88542), (342, 63947), (494, 44271), (741, 29514), (1482, 14757), (2223, 9838), (4446, 4919)]