21253148

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3853}}^1$

素因数の和:4061

約数の個数: 24

約数和(自身を含む): 42733152

約数和(自身を除く): 21480004

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3853, 5516, 7706, 15412, 26971, 53942, 107884, 759041, 1518082, 3036164, 5313287, 10626574, 21253148]

約数ペア:

[(1, 21253148), (2, 10626574), (4, 5313287), (7, 3036164), (14, 1518082), (28, 759041), (197, 107884), (394, 53942), (788, 26971), (1379, 15412), (2758, 7706), (3853, 5516)]