210318128

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{31223}}^1$

素因数の和:31652

約数の個数: 20

約数和(自身を含む): 408472368

約数和(自身を除く): 198154240

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 31223, 62446, 124892, 249784, 499568, 13144883, 26289766, 52579532, 105159064, 210318128]

約数ペア:

[(1, 210318128), (2, 105159064), (4, 52579532), (8, 26289766), (16, 13144883), (421, 499568), (842, 249784), (1684, 124892), (3368, 62446), (6736, 31223)]