21000969837

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{34827479}}^1$

素因数の和:34827552

約数の個数: 12

約数和(自身を含む): 30787492320

約数和(自身を除く): 9786522483

約数列:

[1, 3, 9, 67, 201, 603, 34827479, 104482437, 313447311, 2333441093, 7000323279, 21000969837]

約数ペア:

[(1, 21000969837), (3, 7000323279), (9, 2333441093), (67, 313447311), (201, 104482437), (603, 34827479)]