21704912

素因数分解:

$2^4\times {\mathrm{587}}^1\times {\mathrm{2311}}^1$

素因数の和:2906

約数の個数: 20

約数和(自身を含む): 42143136

約数和(自身を除く): 20438224

約数列:

[1, 2, 4, 8, 16, 587, 1174, 2311, 2348, 4622, 4696, 9244, 9392, 18488, 36976, 1356557, 2713114, 5426228, 10852456, 21704912]

約数ペア:

[(1, 21704912), (2, 10852456), (4, 5426228), (8, 2713114), (16, 1356557), (587, 36976), (1174, 18488), (2311, 9392), (2348, 9244), (4622, 4696)]