21066694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13487}}^1$

素因数の和:13571

約数の個数: 16

約数和(自身を含む): 34960896

約数和(自身を除く): 13894202

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13487, 26974, 148357, 296714, 957577, 1915154, 10533347, 21066694]

約数ペア:

[(1, 21066694), (2, 10533347), (11, 1915154), (22, 957577), (71, 296714), (142, 148357), (781, 26974), (1562, 13487)]