21049284

素因数分解:

$2^2\times 3^1\times {\mathrm{677}}^1\times {\mathrm{2591}}^1$

素因数の和:3275

約数の個数: 24

約数和(自身を含む): 49206528

約数和(自身を除く): 28157244

約数列:

[1, 2, 3, 4, 6, 12, 677, 1354, 2031, 2591, 2708, 4062, 5182, 7773, 8124, 10364, 15546, 31092, 1754107, 3508214, 5262321, 7016428, 10524642, 21049284]

約数ペア:

[(1, 21049284), (2, 10524642), (3, 7016428), (4, 5262321), (6, 3508214), (12, 1754107), (677, 31092), (1354, 15546), (2031, 10364), (2591, 8124), (2708, 7773), (4062, 5182)]