21975085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8501}}^1$

素因数の和:8564

約数の個数: 16

約数和(自身を含む): 29382912

約数和(自身を除く): 7407827

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 8501, 42505, 93511, 399547, 467555, 1997735, 4395017, 21975085]

約数ペア:

[(1, 21975085), (5, 4395017), (11, 1997735), (47, 467555), (55, 399547), (235, 93511), (517, 42505), (2585, 8501)]