21432664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243553}}^1$

素因数の和:243570

約数の個数: 16

約数和(自身を含む): 43839720

約数和(自身を除く): 22407056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243553, 487106, 974212, 1948424, 2679083, 5358166, 10716332, 21432664]

約数ペア:

[(1, 21432664), (2, 10716332), (4, 5358166), (8, 2679083), (11, 1948424), (22, 974212), (44, 487106), (88, 243553)]