21255050

素因数分解:

$2^1\times 5^2\times {\mathrm{425101}}^1$

素因数の和:425113

約数の個数: 12

約数和(自身を含む): 39534486

約数和(自身を除く): 18279436

約数列:

[1, 2, 5, 10, 25, 50, 425101, 850202, 2125505, 4251010, 10627525, 21255050]

約数ペア:

[(1, 21255050), (2, 10627525), (5, 4251010), (10, 2125505), (25, 850202), (50, 425101)]