21108153

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15601}}^1$

素因数の和:15656

約数の個数: 16

約数和(自身を含む): 31453632

約数和(自身を除く): 10345479

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15601, 46803, 171611, 514833, 639641, 1918923, 7036051, 21108153]

約数ペア:

[(1, 21108153), (3, 7036051), (11, 1918923), (33, 639641), (41, 514833), (123, 171611), (451, 46803), (1353, 15601)]