21118652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1033}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 39085200

約数和(自身を除く): 17966548

約数列:

[1, 2, 4, 19, 38, 76, 269, 538, 1033, 1076, 2066, 4132, 5111, 10222, 19627, 20444, 39254, 78508, 277877, 555754, 1111508, 5279663, 10559326, 21118652]

約数ペア:

[(1, 21118652), (2, 10559326), (4, 5279663), (19, 1111508), (38, 555754), (76, 277877), (269, 78508), (538, 39254), (1033, 20444), (1076, 19627), (2066, 10222), (4132, 5111)]