21923668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421609}}^1$

素因数の和:421626

約数の個数: 12

約数和(自身を含む): 41317780

約数和(自身を除く): 19394112

約数列:

[1, 2, 4, 13, 26, 52, 421609, 843218, 1686436, 5480917, 10961834, 21923668]

約数ペア:

[(1, 21923668), (2, 10961834), (4, 5480917), (13, 1686436), (26, 843218), (52, 421609)]