21140758

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1\times {\mathrm{887}}^1$

素因数の和:1607

約数の個数: 16

約数和(自身を含む): 33662304

約数和(自身を除く): 12521546

約数列:

[1, 2, 17, 34, 701, 887, 1402, 1774, 11917, 15079, 23834, 30158, 621787, 1243574, 10570379, 21140758]

約数ペア:

[(1, 21140758), (2, 10570379), (17, 1243574), (34, 621787), (701, 30158), (887, 23834), (1402, 15079), (1774, 11917)]