21000340878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318186983}}^1$

素因数の和:318186999

約数の個数: 16

約数和(自身を含む): 45818925696

約数和(自身を除く): 24818584818

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318186983, 636373966, 954560949, 1909121898, 3500056813, 7000113626, 10500170439, 21000340878]

約数ペア:

[(1, 21000340878), (2, 10500170439), (3, 7000113626), (6, 3500056813), (11, 1909121898), (22, 954560949), (33, 636373966), (66, 318186983)]