21523964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6353}}^1$

素因数の和:6386

約数の個数: 36

約数和(自身を含む): 47324592

約数和(自身を除く): 25800628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6353, 12706, 25412, 44471, 69883, 88942, 139766, 177884, 279532, 489181, 768713, 978362, 1537426, 1956724, 3074852, 5380991, 10761982, 21523964]

約数ペア:

[(1, 21523964), (2, 10761982), (4, 5380991), (7, 3074852), (11, 1956724), (14, 1537426), (22, 978362), (28, 768713), (44, 489181), (77, 279532), (121, 177884), (154, 139766), (242, 88942), (308, 69883), (484, 44471), (847, 25412), (1694, 12706), (3388, 6353)]