21514945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6841}}^1$

素因数の和:6900

約数の個数: 16

約数和(自身を含む): 28079568

約数和(自身を除く): 6564623

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6841, 34205, 116297, 253117, 581485, 1265585, 4302989, 21514945]

約数ペア:

[(1, 21514945), (5, 4302989), (17, 1265585), (37, 581485), (85, 253117), (185, 116297), (629, 34205), (3145, 6841)]