21100583

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2689}}^1$

素因数の和:2774

約数の個数: 16

約数和(自身を含む): 25824000

約数和(自身を除く): 4723417

約数列:

[1, 7, 19, 59, 133, 413, 1121, 2689, 7847, 18823, 51091, 158651, 357637, 1110557, 3014369, 21100583]

約数ペア:

[(1, 21100583), (7, 3014369), (19, 1110557), (59, 357637), (133, 158651), (413, 51091), (1121, 18823), (2689, 7847)]