42670618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{21187}}^1$

素因数の和:21261

約数の個数: 16

約数和(自身を含む): 68649120

約数和(自身を除く): 25978502

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 21187, 42374, 402553, 805106, 1122911, 2245822, 21335309, 42670618]

約数ペア:

[(1, 42670618), (2, 21335309), (19, 2245822), (38, 1122911), (53, 805106), (106, 402553), (1007, 42374), (2014, 21187)]