21918286

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3413}}^1$

素因数の和:3460

約数の個数: 24

約数和(自身を含む): 37485720

約数和(自身を除く): 15567434

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 3413, 6422, 6826, 44369, 64847, 88738, 129694, 576797, 843011, 1153594, 1686022, 10959143, 21918286]

約数ペア:

[(1, 21918286), (2, 10959143), (13, 1686022), (19, 1153594), (26, 843011), (38, 576797), (169, 129694), (247, 88738), (338, 64847), (494, 44369), (3211, 6826), (3413, 6422)]