21964550

素因数分解:

$2^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1621}}^1$

素因数の和:1904

約数の個数: 24

約数和(自身を含む): 41030112

約数和(自身を除く): 19065562

約数列:

[1, 2, 5, 10, 25, 50, 271, 542, 1355, 1621, 2710, 3242, 6775, 8105, 13550, 16210, 40525, 81050, 439291, 878582, 2196455, 4392910, 10982275, 21964550]

約数ペア:

[(1, 21964550), (2, 10982275), (5, 4392910), (10, 2196455), (25, 878582), (50, 439291), (271, 81050), (542, 40525), (1355, 16210), (1621, 13550), (2710, 8105), (3242, 6775)]