21111793

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 23256000

約数和(自身を除く): 2144207

約数列:

[1, 19, 37, 59, 509, 703, 1121, 2183, 9671, 18833, 30031, 41477, 357827, 570589, 1111147, 21111793]

約数ペア:

[(1, 21111793), (19, 1111147), (37, 570589), (59, 357827), (509, 41477), (703, 30031), (1121, 18833), (2183, 9671)]