21004022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6361}}^1$

素因数の和:6503

約数の個数: 16

約数和(自身を含む): 34202112

約数和(自身を除く): 13198090

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6361, 12722, 82693, 165386, 807847, 1615694, 10502011, 21004022]

約数ペア:

[(1, 21004022), (2, 10502011), (13, 1615694), (26, 807847), (127, 165386), (254, 82693), (1651, 12722), (3302, 6361)]