21151203

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{479}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 7879197

約数列:

[1, 3, 41, 123, 359, 479, 1077, 1437, 14719, 19639, 44157, 58917, 171961, 515883, 7050401, 21151203]

約数ペア:

[(1, 21151203), (3, 7050401), (41, 515883), (123, 171961), (359, 58917), (479, 44157), (1077, 19639), (1437, 14719)]