21862953

素因数分解:

$3^5\times 7^1\times {\mathrm{12853}}^1$

素因数の和:12875

約数の個数: 24

約数和(自身を含む): 37430848

約数和(自身を除く): 15567895

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12853, 38559, 89971, 115677, 269913, 347031, 809739, 1041093, 2429217, 3123279, 7287651, 21862953]

約数ペア:

[(1, 21862953), (3, 7287651), (7, 3123279), (9, 2429217), (21, 1041093), (27, 809739), (63, 347031), (81, 269913), (189, 115677), (243, 89971), (567, 38559), (1701, 12853)]