21229516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68927}}^1$

素因数の和:68949

約数の個数: 24

約数和(自身を含む): 46319616

約数和(自身を除く): 25090100

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68927, 137854, 275708, 482489, 758197, 964978, 1516394, 1929956, 3032788, 5307379, 10614758, 21229516]

約数ペア:

[(1, 21229516), (2, 10614758), (4, 5307379), (7, 3032788), (11, 1929956), (14, 1516394), (22, 964978), (28, 758197), (44, 482489), (77, 275708), (154, 137854), (308, 68927)]