21000519357

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{4483}}^1\times {\mathrm{67891}}^1$

素因数の和:72400

約数の個数: 16

約数和(自身を含む): 29225061888

約数和(自身を除く): 8224542531

約数列:

[1, 3, 23, 69, 4483, 13449, 67891, 103109, 203673, 309327, 1561493, 4684479, 304355353, 913066059, 7000173119, 21000519357]

約数ペア:

[(1, 21000519357), (3, 7000173119), (23, 913066059), (69, 304355353), (4483, 4684479), (13449, 1561493), (67891, 309327), (103109, 203673)]