21049756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57829}}^1$

素因数の和:57853

約数の個数: 24

約数和(自身を含む): 45338720

約数和(自身を除く): 24288964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57829, 115658, 231316, 404803, 751777, 809606, 1503554, 1619212, 3007108, 5262439, 10524878, 21049756]

約数ペア:

[(1, 21049756), (2, 10524878), (4, 5262439), (7, 3007108), (13, 1619212), (14, 1503554), (26, 809606), (28, 751777), (52, 404803), (91, 231316), (182, 115658), (364, 57829)]