21650488

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{9631}}^1$

素因数の和:9918

約数の個数: 16

約数和(自身を含む): 40743360

約数和(自身を除く): 19092872

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 9631, 19262, 38524, 77048, 2706311, 5412622, 10825244, 21650488]

約数ペア:

[(1, 21650488), (2, 10825244), (4, 5412622), (8, 2706311), (281, 77048), (562, 38524), (1124, 19262), (2248, 9631)]