21449901

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6701}}^1$

素因数の和:6812

約数の個数: 16

約数和(自身を含む): 31526208

約数和(自身を除く): 10076307

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 6701, 20103, 73711, 221133, 649997, 1949991, 7149967, 21449901]

約数ペア:

[(1, 21449901), (3, 7149967), (11, 1949991), (33, 649997), (97, 221133), (291, 73711), (1067, 20103), (3201, 6701)]