21789804938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{12583}}^1\times {\mathrm{78713}}^1$

素因数の和:91309

約数の個数: 16

約数和(自身を含む): 35659331136

約数和(自身を除く): 13869526198

約数列:

[1, 2, 11, 22, 12583, 25166, 78713, 138413, 157426, 276826, 865843, 1731686, 990445679, 1980891358, 10894902469, 21789804938]

約数ペア:

[(1, 21789804938), (2, 10894902469), (11, 1980891358), (22, 990445679), (12583, 1731686), (25166, 865843), (78713, 276826), (138413, 157426)]