21086475306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7306471}}^1$

素因数の和:7306526

約数の個数: 32

約数和(自身を含む): 46644517248

約数和(自身を除く): 25558041942

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7306471, 14612942, 21919413, 43838826, 94984123, 189968246, 270339427, 284952369, 540678854, 569904738, 811018281, 1622036562, 3514412551, 7028825102, 10543237653, 21086475306]

約数ペア:

[(1, 21086475306), (2, 10543237653), (3, 7028825102), (6, 3514412551), (13, 1622036562), (26, 811018281), (37, 569904738), (39, 540678854), (74, 284952369), (78, 270339427), (111, 189968246), (222, 94984123), (481, 43838826), (962, 21919413), (1443, 14612942), (2886, 7306471)]