21033057

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9973}}^1$

素因数の和:10032

約数の個数: 16

約数和(自身を含む): 30320960

約数和(自身を除く): 9287903

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9973, 29919, 189487, 369001, 568461, 1107003, 7011019, 21033057]

約数ペア:

[(1, 21033057), (3, 7011019), (19, 1107003), (37, 568461), (57, 369001), (111, 189487), (703, 29919), (2109, 9973)]