21167357949

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{683899}}^1$

素因数の和:684105

約数の個数: 24

約数和(自身を含む): 32362148000

約数和(自身を除く): 11194790051

約数列:

[1, 3, 9, 19, 57, 171, 181, 543, 1629, 3439, 10317, 30951, 683899, 2051697, 6155091, 12994081, 38982243, 116946729, 123785719, 371357157, 1114071471, 2351928661, 7055785983, 21167357949]

約数ペア:

[(1, 21167357949), (3, 7055785983), (9, 2351928661), (19, 1114071471), (57, 371357157), (171, 123785719), (181, 116946729), (543, 38982243), (1629, 12994081), (3439, 6155091), (10317, 2051697), (30951, 683899)]