21892871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21902

約数の個数: 16

約数和(自身を含む): 29395968

約数和(自身を除く): 7503097

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21871, 153097, 240581, 284323, 1684067, 1990261, 3127553, 21892871]

約数ペア:

[(1, 21892871), (7, 3127553), (11, 1990261), (13, 1684067), (77, 284323), (91, 240581), (143, 153097), (1001, 21871)]