21845648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124123}}^1$

素因数の和:124142

約数の個数: 20

約数和(自身を含む): 46174128

約数和(自身を除く): 24328480

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124123, 248246, 496492, 992984, 1365353, 1985968, 2730706, 5461412, 10922824, 21845648]

約数ペア:

[(1, 21845648), (2, 10922824), (4, 5461412), (8, 2730706), (11, 1985968), (16, 1365353), (22, 992984), (44, 496492), (88, 248246), (176, 124123)]