21047676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134921}}^1$

素因数の和:134941

約数の個数: 24

約数和(自身を含む): 52889424

約数和(自身を除く): 31841748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134921, 269842, 404763, 539684, 809526, 1619052, 1753973, 3507946, 5261919, 7015892, 10523838, 21047676]

約数ペア:

[(1, 21047676), (2, 10523838), (3, 7015892), (4, 5261919), (6, 3507946), (12, 1753973), (13, 1619052), (26, 809526), (39, 539684), (52, 404763), (78, 269842), (156, 134921)]