21071883

素因数分解:

$3^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{1259}}^1$

素因数の和:2066

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 11103477

約数列:

[1, 3, 7, 21, 797, 1259, 2391, 3777, 5579, 8813, 16737, 26439, 1003423, 3010269, 7023961, 21071883]

約数ペア:

[(1, 21071883), (3, 7023961), (7, 3010269), (21, 1003423), (797, 26439), (1259, 16737), (2391, 8813), (3777, 5579)]