21168212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9467}}^1$

素因数の和:9527

約数の個数: 24

約数和(自身を含む): 40826016

約数和(自身を除く): 19657804

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9467, 18934, 37868, 123071, 246142, 407081, 492284, 814162, 1628324, 5292053, 10584106, 21168212]

約数ペア:

[(1, 21168212), (2, 10584106), (4, 5292053), (13, 1628324), (26, 814162), (43, 492284), (52, 407081), (86, 246142), (172, 123071), (559, 37868), (1118, 18934), (2236, 9467)]