21707056

素因数分解:

$2^4\times 7^1\times {\mathrm{193813}}^1$

素因数の和:193828

約数の個数: 20

約数和(自身を含む): 48065872

約数和(自身を除く): 26358816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193813, 387626, 775252, 1356691, 1550504, 2713382, 3101008, 5426764, 10853528, 21707056]

約数ペア:

[(1, 21707056), (2, 10853528), (4, 5426764), (7, 3101008), (8, 2713382), (14, 1550504), (16, 1356691), (28, 775252), (56, 387626), (112, 193813)]