42021578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{25717}}^1$

素因数の和:25781

約数の個数: 16

約数和(自身を含む): 67895520

約数和(自身を除く): 25873942

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 25717, 51434, 488623, 977246, 1105831, 2211662, 21010789, 42021578]

約数ペア:

[(1, 42021578), (2, 21010789), (19, 2211662), (38, 1105831), (43, 977246), (86, 488623), (817, 51434), (1634, 25717)]