21719300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{5051}}^1$

素因数の和:5108

約数の個数: 36

約数和(自身を含む): 48236496

約数和(自身を除く): 26517196

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 5051, 10102, 20204, 25255, 50510, 101020, 126275, 217193, 252550, 434386, 505100, 868772, 1085965, 2171930, 4343860, 5429825, 10859650, 21719300]

約数ペア:

[(1, 21719300), (2, 10859650), (4, 5429825), (5, 4343860), (10, 2171930), (20, 1085965), (25, 868772), (43, 505100), (50, 434386), (86, 252550), (100, 217193), (172, 126275), (215, 101020), (430, 50510), (860, 25255), (1075, 20204), (2150, 10102), (4300, 5051)]