21311763

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1579}}^1$

素因数の和:2002

約数の個数: 16

約数和(自身を含む): 31094400

約数和(自身を除く): 9782637

約数列:

[1, 3, 11, 33, 409, 1227, 1579, 4499, 4737, 13497, 17369, 52107, 645811, 1937433, 7103921, 21311763]

約数ペア:

[(1, 21311763), (3, 7103921), (11, 1937433), (33, 645811), (409, 52107), (1227, 17369), (1579, 13497), (4499, 4737)]