21272410

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57493}}^1$

素因数の和:57537

約数の個数: 16

約数和(自身を含む): 39325896

約数和(自身を除く): 18053486

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 57493, 114986, 287465, 574930, 2127241, 4254482, 10636205, 21272410]

約数ペア:

[(1, 21272410), (2, 10636205), (5, 4254482), (10, 2127241), (37, 574930), (74, 287465), (185, 114986), (370, 57493)]