21293874

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56333}}^1$

素因数の和:56351

約数の個数: 32

約数和(自身を含む): 54080640

約数和(自身を除く): 32786766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56333, 112666, 168999, 337998, 394331, 506997, 788662, 1013994, 1182993, 1520991, 2365986, 3041982, 3548979, 7097958, 10646937, 21293874]

約数ペア:

[(1, 21293874), (2, 10646937), (3, 7097958), (6, 3548979), (7, 3041982), (9, 2365986), (14, 1520991), (18, 1182993), (21, 1013994), (27, 788662), (42, 506997), (54, 394331), (63, 337998), (126, 168999), (189, 112666), (378, 56333)]