21236798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31139}}^1$

素因数の和:31183

約数の個数: 16

約数和(自身を含む): 35873280

約数和(自身を除く): 14636482

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31139, 62278, 342529, 685058, 965309, 1930618, 10618399, 21236798]

約数ペア:

[(1, 21236798), (2, 10618399), (11, 1930618), (22, 965309), (31, 685058), (62, 342529), (341, 62278), (682, 31139)]