21045138

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{152501}}^1$

素因数の和:152529

約数の個数: 16

約数和(自身を含む): 43920576

約数和(自身を除く): 22875438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 152501, 305002, 457503, 915006, 3507523, 7015046, 10522569, 21045138]

約数ペア:

[(1, 21045138), (2, 10522569), (3, 7015046), (6, 3507523), (23, 915006), (46, 457503), (69, 305002), (138, 152501)]