21977516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1627}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 42119616

約数和(自身を除く): 20142100

約数列:

[1, 2, 4, 11, 22, 44, 307, 614, 1228, 1627, 3254, 3377, 6508, 6754, 13508, 17897, 35794, 71588, 499489, 998978, 1997956, 5494379, 10988758, 21977516]

約数ペア:

[(1, 21977516), (2, 10988758), (4, 5494379), (11, 1997956), (22, 998978), (44, 499489), (307, 71588), (614, 35794), (1228, 17897), (1627, 13508), (3254, 6754), (3377, 6508)]