21728134

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19717}}^1$

素因数の和:19767

約数の個数: 16

約数和(自身を含む): 35492400

約数和(自身を除く): 13764266

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19717, 39434, 374623, 571793, 749246, 1143586, 10864067, 21728134]

約数ペア:

[(1, 21728134), (2, 10864067), (19, 1143586), (29, 749246), (38, 571793), (58, 374623), (551, 39434), (1102, 19717)]