21122981724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135403729}}^1$

素因数の和:135403749

約数の個数: 24

約数和(自身を含む): 53078262160

約数和(自身を除く): 31955280436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135403729, 270807458, 406211187, 541614916, 812422374, 1624844748, 1760248477, 3520496954, 5280745431, 7040993908, 10561490862, 21122981724]

約数ペア:

[(1, 21122981724), (2, 10561490862), (3, 7040993908), (4, 5280745431), (6, 3520496954), (12, 1760248477), (13, 1624844748), (26, 812422374), (39, 541614916), (52, 406211187), (78, 270807458), (156, 135403729)]