21897895

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2887}}^1$

素因数の和:2970

約数の個数: 16

約数和(自身を含む): 27655488

約数和(自身を除く): 5757593

約数列:

[1, 5, 37, 41, 185, 205, 1517, 2887, 7585, 14435, 106819, 118367, 534095, 591835, 4379579, 21897895]

約数ペア:

[(1, 21897895), (5, 4379579), (37, 591835), (41, 534095), (185, 118367), (205, 106819), (1517, 14435), (2887, 7585)]