21000496958

素因数分解:

$2^1\times 7^1\times {\mathrm{1823}}^1\times {\mathrm{822839}}^1$

素因数の和:824671

約数の個数: 16

約数和(自身を含む): 36020643840

約数和(自身を除く): 15020146882

約数列:

[1, 2, 7, 14, 1823, 3646, 12761, 25522, 822839, 1645678, 5759873, 11519746, 1500035497, 3000070994, 10500248479, 21000496958]

約数ペア:

[(1, 21000496958), (2, 10500248479), (7, 3000070994), (14, 1500035497), (1823, 11519746), (3646, 5759873), (12761, 1645678), (25522, 822839)]