21654133081

素因数分解:

$7^1\times {\mathrm{23}}^3\times {\mathrm{254249}}^1$

素因数の和:254325

約数の個数: 16

約数和(自身を含む): 25872480000

約数和(自身を除く): 4218346919

約数列:

[1, 7, 23, 161, 529, 3703, 12167, 85169, 254249, 1779743, 5847727, 40934089, 134497721, 941484047, 3093447583, 21654133081]

約数ペア:

[(1, 21654133081), (7, 3093447583), (23, 941484047), (161, 134497721), (529, 40934089), (3703, 5847727), (12167, 1779743), (85169, 254249)]