21977776786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82623221}}^1$

素因数の和:82623249

約数の個数: 16

約数和(自身を含む): 39659146560

約数和(自身を除く): 17681369774

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82623221, 165246442, 578362547, 1156725094, 1569841199, 3139682398, 10988888393, 21977776786]

約数ペア:

[(1, 21977776786), (2, 10988888393), (7, 3139682398), (14, 1569841199), (19, 1156725094), (38, 578362547), (133, 165246442), (266, 82623221)]