21094120

素因数分解:

$2^3\times 5^1\times {\mathrm{527353}}^1$

素因数の和:527364

約数の個数: 16

約数和(自身を含む): 47461860

約数和(自身を除く): 26367740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527353, 1054706, 2109412, 2636765, 4218824, 5273530, 10547060, 21094120]

約数ペア:

[(1, 21094120), (2, 10547060), (4, 5273530), (5, 4218824), (8, 2636765), (10, 2109412), (20, 1054706), (40, 527353)]