21043178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47609}}^1$

素因数の和:47641

約数の個数: 16

約数和(自身を含む): 35993160

約数和(自身を除く): 14949982

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47609, 95218, 618917, 809353, 1237834, 1618706, 10521589, 21043178]

約数ペア:

[(1, 21043178), (2, 10521589), (13, 1618706), (17, 1237834), (26, 809353), (34, 618917), (221, 95218), (442, 47609)]