21915069

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4457}}^1$

素因数の和:4620

約数の個数: 16

約数和(自身を含む): 32097600

約数和(自身を除く): 10182531

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4457, 4917, 13371, 49027, 147081, 664093, 1992279, 7305023, 21915069]

約数ペア:

[(1, 21915069), (3, 7305023), (11, 1992279), (33, 664093), (149, 147081), (447, 49027), (1639, 13371), (4457, 4917)]