21068410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191531}}^1$

素因数の和:191549

約数の個数: 16

約数和(自身を含む): 41370912

約数和(自身を除く): 20302502

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191531, 383062, 957655, 1915310, 2106841, 4213682, 10534205, 21068410]

約数ペア:

[(1, 21068410), (2, 10534205), (5, 4213682), (10, 2106841), (11, 1915310), (22, 957655), (55, 383062), (110, 191531)]