21847045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{809}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 28693440

約数和(自身を除く): 6846395

約数列:

[1, 5, 11, 55, 491, 809, 2455, 4045, 5401, 8899, 27005, 44495, 397219, 1986095, 4369409, 21847045]

約数ペア:

[(1, 21847045), (5, 4369409), (11, 1986095), (55, 397219), (491, 44495), (809, 27005), (2455, 8899), (4045, 5401)]