21486704

素因数分解:

$2^4\times {\mathrm{857}}^1\times {\mathrm{1567}}^1$

素因数の和:2432

約数の個数: 20

約数和(自身を含む): 41705664

約数和(自身を除く): 20218960

約数列:

[1, 2, 4, 8, 16, 857, 1567, 1714, 3134, 3428, 6268, 6856, 12536, 13712, 25072, 1342919, 2685838, 5371676, 10743352, 21486704]

約数ペア:

[(1, 21486704), (2, 10743352), (4, 5371676), (8, 2685838), (16, 1342919), (857, 25072), (1567, 13712), (1714, 12536), (3134, 6856), (3428, 6268)]