21681036018

素因数分解:

$2^1\times 3^3\times {\mathrm{1619}}^1\times {\mathrm{247993}}^1$

素因数の和:249623

約数の個数: 32

約数和(自身を含む): 48210033600

約数和(自身を除く): 26528997582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1619, 3238, 4857, 9714, 14571, 29142, 43713, 87426, 247993, 495986, 743979, 1487958, 2231937, 4463874, 6695811, 13391622, 401500667, 803001334, 1204502001, 2409004002, 3613506003, 7227012006, 10840518009, 21681036018]

約数ペア:

[(1, 21681036018), (2, 10840518009), (3, 7227012006), (6, 3613506003), (9, 2409004002), (18, 1204502001), (27, 803001334), (54, 401500667), (1619, 13391622), (3238, 6695811), (4857, 4463874), (9714, 2231937), (14571, 1487958), (29142, 743979), (43713, 495986), (87426, 247993)]