21574456

素因数分解:

$2^3\times {\mathrm{1567}}^1\times {\mathrm{1721}}^1$

素因数の和:3294

約数の個数: 16

約数和(自身を含む): 40501440

約数和(自身を除く): 18926984

約数列:

[1, 2, 4, 8, 1567, 1721, 3134, 3442, 6268, 6884, 12536, 13768, 2696807, 5393614, 10787228, 21574456]

約数ペア:

[(1, 21574456), (2, 10787228), (4, 5393614), (8, 2696807), (1567, 13768), (1721, 12536), (3134, 6884), (3442, 6268)]