21047052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134917}}^1$

素因数の和:134937

約数の個数: 24

約数和(自身を含む): 52887856

約数和(自身を除く): 31840804

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134917, 269834, 404751, 539668, 809502, 1619004, 1753921, 3507842, 5261763, 7015684, 10523526, 21047052]

約数ペア:

[(1, 21047052), (2, 10523526), (3, 7015684), (4, 5261763), (6, 3507842), (12, 1753921), (13, 1619004), (26, 809502), (39, 539668), (52, 404751), (78, 269834), (156, 134917)]