21009422

素因数分解:

$2^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{1747}}^1$

素因数の和:2615

約数の個数: 16

約数和(自身を含む): 36078720

約数和(自身を除く): 15069298

約数列:

[1, 2, 7, 14, 859, 1718, 1747, 3494, 6013, 12026, 12229, 24458, 1500673, 3001346, 10504711, 21009422]

約数ペア:

[(1, 21009422), (2, 10504711), (7, 3001346), (14, 1500673), (859, 24458), (1718, 12229), (1747, 12026), (3494, 6013)]