21798801

素因数分解:

$3^5\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 32992960

約数和(自身を除く): 11194159

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 823, 981, 2469, 2943, 7407, 8829, 22221, 26487, 66663, 89707, 199989, 269121, 807363, 2422089, 7266267, 21798801]

約数ペア:

[(1, 21798801), (3, 7266267), (9, 2422089), (27, 807363), (81, 269121), (109, 199989), (243, 89707), (327, 66663), (823, 26487), (981, 22221), (2469, 8829), (2943, 7407)]