21935859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28901}}^1$

素因数の和:28938

約数の個数: 16

約数和(自身を含む): 33295104

約数和(自身を除く): 11359245

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28901, 86703, 317911, 664723, 953733, 1994169, 7311953, 21935859]

約数ペア:

[(1, 21935859), (3, 7311953), (11, 1994169), (23, 953733), (33, 664723), (69, 317911), (253, 86703), (759, 28901)]