21127222

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3911}}^1$

素因数の和:4023

約数の個数: 16

約数和(自身を含む): 33001632

約数和(自身を除く): 11874410

約数列:

[1, 2, 37, 73, 74, 146, 2701, 3911, 5402, 7822, 144707, 285503, 289414, 571006, 10563611, 21127222]

約数ペア:

[(1, 21127222), (2, 10563611), (37, 571006), (73, 289414), (74, 285503), (146, 144707), (2701, 7822), (3911, 5402)]