21344492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13241}}^1$

素因数の和:13289

約数の個数: 24

約数和(自身を含む): 41526912

約数和(自身を除く): 20182420

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13241, 26482, 52964, 172133, 344266, 410471, 688532, 820942, 1641884, 5336123, 10672246, 21344492]

約数ペア:

[(1, 21344492), (2, 10672246), (4, 5336123), (13, 1641884), (26, 820942), (31, 688532), (52, 410471), (62, 344266), (124, 172133), (403, 52964), (806, 26482), (1612, 13241)]