21701565531

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1801}}^1\times {\mathrm{43189}}^1$

素因数の和:45027

約数の個数: 24

約数和(自身を含む): 32376606080

約数和(自身を除く): 10675040549

約数列:

[1, 3, 9, 31, 93, 279, 1801, 5403, 16209, 43189, 55831, 129567, 167493, 388701, 502479, 1338859, 4016577, 12049731, 77783389, 233350167, 700050501, 2411285059, 7233855177, 21701565531]

約数ペア:

[(1, 21701565531), (3, 7233855177), (9, 2411285059), (31, 700050501), (93, 233350167), (279, 77783389), (1801, 12049731), (5403, 4016577), (16209, 1338859), (43189, 502479), (55831, 388701), (129567, 167493)]