21839972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3083}}^1$

素因数の和:3128

約数の個数: 48

約数和(自身を含む): 49738752

約数和(自身を除く): 27898780

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3083, 3542, 6166, 7084, 12332, 21581, 33913, 43162, 67826, 70909, 86324, 135652, 141818, 237391, 283636, 474782, 496363, 779999, 949564, 992726, 1559998, 1985452, 3119996, 5459993, 10919986, 21839972]

約数ペア:

[(1, 21839972), (2, 10919986), (4, 5459993), (7, 3119996), (11, 1985452), (14, 1559998), (22, 992726), (23, 949564), (28, 779999), (44, 496363), (46, 474782), (77, 283636), (92, 237391), (154, 141818), (161, 135652), (253, 86324), (308, 70909), (322, 67826), (506, 43162), (644, 33913), (1012, 21581), (1771, 12332), (3083, 7084), (3542, 6166)]