21027084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134789}}^1$

素因数の和:134809

約数の個数: 24

約数和(自身を含む): 52837680

約数和(自身を除く): 31810596

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134789, 269578, 404367, 539156, 808734, 1617468, 1752257, 3504514, 5256771, 7009028, 10513542, 21027084]

約数ペア:

[(1, 21027084), (2, 10513542), (3, 7009028), (4, 5256771), (6, 3504514), (12, 1752257), (13, 1617468), (26, 808734), (39, 539156), (52, 404367), (78, 269578), (156, 134789)]