21897711

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{593}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 34656336

約数和(自身を除く): 12758625

約数列:

[1, 3, 9, 11, 33, 99, 373, 593, 1119, 1779, 3357, 4103, 5337, 6523, 12309, 19569, 36927, 58707, 221189, 663567, 1990701, 2433079, 7299237, 21897711]

約数ペア:

[(1, 21897711), (3, 7299237), (9, 2433079), (11, 1990701), (33, 663567), (99, 221189), (373, 58707), (593, 36927), (1119, 19569), (1779, 12309), (3357, 6523), (4103, 5337)]