21000985399

素因数分解:

${\mathrm{19}}^1\times {\mathrm{6359}}^1\times {\mathrm{173819}}^1$

素因数の和:180197

約数の個数: 8

約数和(自身を含む): 22109904000

約数和(自身を除く): 1108918601

約数列:

[1, 19, 6359, 120821, 173819, 3302561, 1105315021, 21000985399]

約数ペア:

[(1, 21000985399), (19, 1105315021), (6359, 3302561), (120821, 173819)]