21288596

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2297}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 42724416

約数和(自身を除く): 21435820

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2297, 2317, 4594, 4634, 9188, 9268, 16079, 32158, 64316, 760307, 1520614, 3041228, 5322149, 10644298, 21288596]

約数ペア:

[(1, 21288596), (2, 10644298), (4, 5322149), (7, 3041228), (14, 1520614), (28, 760307), (331, 64316), (662, 32158), (1324, 16079), (2297, 9268), (2317, 9188), (4594, 4634)]