21000921909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21944537}}^1$

素因数の和:21944580

約数の個数: 16

約数和(自身を含む): 31600134720

約数和(自身を除く): 10599212811

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 21944537, 65833611, 241389907, 636391573, 724169721, 1909174719, 7000307303, 21000921909]

約数ペア:

[(1, 21000921909), (3, 7000307303), (11, 1909174719), (29, 724169721), (33, 636391573), (87, 241389907), (319, 65833611), (957, 21944537)]