21985887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{95177}}^1$

素因数の和:95198

約数の個数: 16

約数和(自身を含む): 36548352

約数和(自身を除く): 14562465

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 95177, 285531, 666239, 1046947, 1998717, 3140841, 7328629, 21985887]

約数ペア:

[(1, 21985887), (3, 7328629), (7, 3140841), (11, 1998717), (21, 1046947), (33, 666239), (77, 285531), (231, 95177)]