21068394

素因数分解:

$2^1\times 3^1\times {\mathrm{1301}}^1\times {\mathrm{2699}}^1$

素因数の和:4005

約数の個数: 16

約数和(自身を含む): 42184800

約数和(自身を除く): 21116406

約数列:

[1, 2, 3, 6, 1301, 2602, 2699, 3903, 5398, 7806, 8097, 16194, 3511399, 7022798, 10534197, 21068394]

約数ペア:

[(1, 21068394), (2, 10534197), (3, 7022798), (6, 3511399), (1301, 16194), (2602, 8097), (2699, 7806), (3903, 5398)]