21199101

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91771}}^1$

素因数の和:91792

約数の個数: 16

約数和(自身を含む): 35240448

約数和(自身を除く): 14041347

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 91771, 275313, 642397, 1009481, 1927191, 3028443, 7066367, 21199101]

約数ペア:

[(1, 21199101), (3, 7066367), (7, 3028443), (11, 1927191), (21, 1009481), (33, 642397), (77, 275313), (231, 91771)]