21076719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21751}}^1$

素因数の和:21790

約数の個数: 16

約数和(自身を含む): 31322880

約数和(自身を除く): 10246161

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21751, 65253, 369767, 413269, 1109301, 1239807, 7025573, 21076719]

約数ペア:

[(1, 21076719), (3, 7025573), (17, 1239807), (19, 1109301), (51, 413269), (57, 369767), (323, 65253), (969, 21751)]