21965032

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20959}}^1$

素因数の和:21096

約数の個数: 16

約数和(自身を含む): 41500800

約数和(自身を除く): 19535768

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20959, 41918, 83836, 167672, 2745629, 5491258, 10982516, 21965032]

約数ペア:

[(1, 21965032), (2, 10982516), (4, 5491258), (8, 2745629), (131, 167672), (262, 83836), (524, 41918), (1048, 20959)]