21424904

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{19267}}^1$

素因数の和:19412

約数の個数: 16

約数和(自身を含む): 40462800

約数和(自身を除く): 19037896

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 19267, 38534, 77068, 154136, 2678113, 5356226, 10712452, 21424904]

約数ペア:

[(1, 21424904), (2, 10712452), (4, 5356226), (8, 2678113), (139, 154136), (278, 77068), (556, 38534), (1112, 19267)]