21372812

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{52903}}^1$

素因数の和:53008

約数の個数: 12

約数和(自身を含む): 37773456

約数和(自身を除く): 16400644

約数列:

[1, 2, 4, 101, 202, 404, 52903, 105806, 211612, 5343203, 10686406, 21372812]

約数ペア:

[(1, 21372812), (2, 10686406), (4, 5343203), (101, 211612), (202, 105806), (404, 52903)]