21438099

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 32784960

約数和(自身を除く): 11346861

約数列:

[1, 3, 9, 19, 57, 171, 283, 443, 849, 1329, 2547, 3987, 5377, 8417, 16131, 25251, 48393, 75753, 125369, 376107, 1128321, 2382011, 7146033, 21438099]

約数ペア:

[(1, 21438099), (3, 7146033), (9, 2382011), (19, 1128321), (57, 376107), (171, 125369), (283, 75753), (443, 48393), (849, 25251), (1329, 16131), (2547, 8417), (3987, 5377)]