21934808

素因数分解:

$2^3\times 7^1\times {\mathrm{391693}}^1$

素因数の和:391706

約数の個数: 16

約数和(自身を含む): 47003280

約数和(自身を除く): 25068472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 391693, 783386, 1566772, 2741851, 3133544, 5483702, 10967404, 21934808]

約数ペア:

[(1, 21934808), (2, 10967404), (4, 5483702), (7, 3133544), (8, 2741851), (14, 1566772), (28, 783386), (56, 391693)]