21992553

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{24683}}^1$

素因数の和:24706

約数の個数: 20

約数和(自身を含む): 35841168

約数和(自身を除く): 13848615

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 24683, 74049, 222147, 271513, 666441, 814539, 1999323, 2443617, 7330851, 21992553]

約数ペア:

[(1, 21992553), (3, 7330851), (9, 2443617), (11, 1999323), (27, 814539), (33, 666441), (81, 271513), (99, 222147), (297, 74049), (891, 24683)]