21068663

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14401}}^1$

素因数の和:14438

約数の個数: 16

約数和(自身を含む): 27651840

約数和(自身を除く): 6583177

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14401, 100807, 158411, 273619, 1108877, 1915333, 3009809, 21068663]

約数ペア:

[(1, 21068663), (7, 3009809), (11, 1915333), (19, 1108877), (77, 273619), (133, 158411), (209, 100807), (1463, 14401)]