21349872718

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1\times {\mathrm{66763}}^1$

素因数の和:68151

約数の個数: 16

約数和(自身を含む): 32303093760

約数和(自身を除く): 10953221042

約数列:

[1, 2, 127, 254, 1259, 2518, 66763, 133526, 159893, 319786, 8478901, 16957802, 84054617, 168109234, 10674936359, 21349872718]

約数ペア:

[(1, 21349872718), (2, 10674936359), (127, 168109234), (254, 84054617), (1259, 16957802), (2518, 8478901), (66763, 319786), (133526, 159893)]