21586244

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 39086040

約数和(自身を除く): 17499796

約数列:

[1, 2, 4, 37, 74, 148, 157, 314, 628, 929, 1858, 3716, 5809, 11618, 23236, 34373, 68746, 137492, 145853, 291706, 583412, 5396561, 10793122, 21586244]

約数ペア:

[(1, 21586244), (2, 10793122), (4, 5396561), (37, 583412), (74, 291706), (148, 145853), (157, 137492), (314, 68746), (628, 34373), (929, 23236), (1858, 11618), (3716, 5809)]