21351416

素因数分解:

$2^3\times {\mathrm{1549}}^1\times {\mathrm{1723}}^1$

素因数の和:3278

約数の個数: 16

約数和(自身を含む): 40083000

約数和(自身を除く): 18731584

約数列:

[1, 2, 4, 8, 1549, 1723, 3098, 3446, 6196, 6892, 12392, 13784, 2668927, 5337854, 10675708, 21351416]

約数ペア:

[(1, 21351416), (2, 10675708), (4, 5337854), (8, 2668927), (1549, 13784), (1723, 12392), (3098, 6892), (3446, 6196)]