21488449

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 23832000

約数和(自身を除く): 2343551

約数列:

[1, 19, 29, 59, 551, 661, 1121, 1711, 12559, 19169, 32509, 38999, 364211, 740981, 1130971, 21488449]

約数ペア:

[(1, 21488449), (19, 1130971), (29, 740981), (59, 364211), (551, 38999), (661, 32509), (1121, 19169), (1711, 12559)]