21681774

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63397}}^1$

素因数の和:63424

約数の個数: 24

約数和(自身を含む): 49450440

約数和(自身を除く): 27768666

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63397, 126794, 190191, 380382, 570573, 1141146, 1204543, 2409086, 3613629, 7227258, 10840887, 21681774]

約数ペア:

[(1, 21681774), (2, 10840887), (3, 7227258), (6, 3613629), (9, 2409086), (18, 1204543), (19, 1141146), (38, 570573), (57, 380382), (114, 190191), (171, 126794), (342, 63397)]