21083729900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4903193}}^1$

素因数の和:4903250

約数の個数: 36

約数和(自身を含む): 46815696312

約数和(自身を除く): 25731966412

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 4903193, 9806386, 19612772, 24515965, 49031930, 98063860, 122579825, 210837299, 245159650, 421674598, 490319300, 843349196, 1054186495, 2108372990, 4216745980, 5270932475, 10541864950, 21083729900]

約数ペア:

[(1, 21083729900), (2, 10541864950), (4, 5270932475), (5, 4216745980), (10, 2108372990), (20, 1054186495), (25, 843349196), (43, 490319300), (50, 421674598), (86, 245159650), (100, 210837299), (172, 122579825), (215, 98063860), (430, 49031930), (860, 24515965), (1075, 19612772), (2150, 9806386), (4300, 4903193)]