21573076

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3911}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 43376256

約数和(自身を除く): 21803180

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3911, 5516, 7822, 15644, 27377, 54754, 109508, 770467, 1540934, 3081868, 5393269, 10786538, 21573076]

約数ペア:

[(1, 21573076), (2, 10786538), (4, 5393269), (7, 3081868), (14, 1540934), (28, 770467), (197, 109508), (394, 54754), (788, 27377), (1379, 15644), (2758, 7822), (3911, 5516)]