21439055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3643}}^1$

素因数の和:3766

約数の個数: 16

約数和(自身を含む): 28335744

約数和(自身を除く): 6896689

約数列:

[1, 5, 11, 55, 107, 535, 1177, 3643, 5885, 18215, 40073, 200365, 389801, 1949005, 4287811, 21439055]

約数ペア:

[(1, 21439055), (5, 4287811), (11, 1949005), (55, 389801), (107, 200365), (535, 40073), (1177, 18215), (3643, 5885)]