21834770

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4447}}^1$

素因数の和:4945

約数の個数: 16

約数和(自身を含む): 39391488

約数和(自身を除く): 17556718

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4447, 4910, 8894, 22235, 44470, 2183477, 4366954, 10917385, 21834770]

約数ペア:

[(1, 21834770), (2, 10917385), (5, 4366954), (10, 2183477), (491, 44470), (982, 22235), (2455, 8894), (4447, 4910)]