21472888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141269}}^1$

素因数の和:141294

約数の個数: 16

約数和(自身を含む): 42381000

約数和(自身を除く): 20908112

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141269, 282538, 565076, 1130152, 2684111, 5368222, 10736444, 21472888]

約数ペア:

[(1, 21472888), (2, 10736444), (4, 5368222), (8, 2684111), (19, 1130152), (38, 565076), (76, 282538), (152, 141269)]