21813862

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82007}}^1$

素因数の和:82035

約数の個数: 16

約数和(自身を含む): 39363840

約数和(自身を除く): 17549978

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82007, 164014, 574049, 1148098, 1558133, 3116266, 10906931, 21813862]

約数ペア:

[(1, 21813862), (2, 10906931), (7, 3116266), (14, 1558133), (19, 1148098), (38, 574049), (133, 164014), (266, 82007)]