21284011

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2281}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 25704448

約数和(自身を除く): 4420437

約数列:

[1, 7, 31, 43, 217, 301, 1333, 2281, 9331, 15967, 70711, 98083, 494977, 686581, 3040573, 21284011]

約数ペア:

[(1, 21284011), (7, 3040573), (31, 686581), (43, 494977), (217, 98083), (301, 70711), (1333, 15967), (2281, 9331)]