21919318

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{4421}}^1$

素因数の和:4527

約数の個数: 16

約数和(自身を含む): 34279344

約数和(自身を除く): 12360026

約数列:

[1, 2, 37, 67, 74, 134, 2479, 4421, 4958, 8842, 163577, 296207, 327154, 592414, 10959659, 21919318]

約数ペア:

[(1, 21919318), (2, 10959659), (37, 592414), (67, 327154), (74, 296207), (134, 163577), (2479, 8842), (4421, 4958)]