21656553412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{14533}}^1\times {\mathrm{28657}}^1$

素因数の和:43207

約数の個数: 24

約数和(自身を含む): 40818506456

約数和(自身を除く): 19161953044

約数列:

[1, 2, 4, 13, 26, 52, 14533, 28657, 29066, 57314, 58132, 114628, 188929, 372541, 377858, 745082, 755716, 1490164, 416472181, 832944362, 1665888724, 5414138353, 10828276706, 21656553412]

約数ペア:

[(1, 21656553412), (2, 10828276706), (4, 5414138353), (13, 1665888724), (26, 832944362), (52, 416472181), (14533, 1490164), (28657, 755716), (29066, 745082), (57314, 377858), (58132, 372541), (114628, 188929)]