21146696

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139123}}^1$

素因数の和:139148

約数の個数: 16

約数和(自身を含む): 41737200

約数和(自身を除く): 20590504

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139123, 278246, 556492, 1112984, 2643337, 5286674, 10573348, 21146696]

約数ペア:

[(1, 21146696), (2, 10573348), (4, 5286674), (8, 2643337), (19, 1112984), (38, 556492), (76, 278246), (152, 139123)]