21207606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504943}}^1$

素因数の和:504955

約数の個数: 16

約数和(自身を含む): 48474624

約数和(自身を除く): 27267018

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504943, 1009886, 1514829, 3029658, 3534601, 7069202, 10603803, 21207606]

約数ペア:

[(1, 21207606), (2, 10603803), (3, 7069202), (6, 3534601), (7, 3029658), (14, 1514829), (21, 1009886), (42, 504943)]