21621897

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{8089}}^1$

素因数の和:8115

約数の個数: 24

約数和(自身を含む): 35337120

約数和(自身を除く): 13715223

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 891, 2673, 8089, 24267, 72801, 88979, 218403, 266937, 655209, 800811, 1965627, 2402433, 7207299, 21621897]

約数ペア:

[(1, 21621897), (3, 7207299), (9, 2402433), (11, 1965627), (27, 800811), (33, 655209), (81, 266937), (99, 218403), (243, 88979), (297, 72801), (891, 24267), (2673, 8089)]