21254103

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3228

約数の個数: 32

約数和(自身を含む): 35705600

約数和(自身を除く): 14451497

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 3187, 6669, 9561, 28683, 41431, 60553, 86049, 124293, 181659, 372879, 544977, 787189, 1118637, 1634931, 2361567, 7084701, 21254103]

約数ペア:

[(1, 21254103), (3, 7084701), (9, 2361567), (13, 1634931), (19, 1118637), (27, 787189), (39, 544977), (57, 372879), (117, 181659), (171, 124293), (247, 86049), (351, 60553), (513, 41431), (741, 28683), (2223, 9561), (3187, 6669)]