21917491089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1\times {\mathrm{345413}}^1$

素因数の和:347056

約数の個数: 16

約数和(自身を含む): 31490703552

約数和(自身を除く): 9573212463

約数列:

[1, 3, 13, 39, 1627, 4881, 21151, 63453, 345413, 1036239, 4490369, 13471107, 561986951, 1685960853, 7305830363, 21917491089]

約数ペア:

[(1, 21917491089), (3, 7305830363), (13, 1685960853), (39, 561986951), (1627, 13471107), (4881, 4490369), (21151, 1036239), (63453, 345413)]