21332564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3701}}^1$

素因数の和:3847

約数の個数: 24

約数和(自身を含む): 41047776

約数和(自身を除く): 19715212

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3701, 5764, 7402, 14804, 40711, 81422, 162844, 484831, 969662, 1939324, 5333141, 10666282, 21332564]

約数ペア:

[(1, 21332564), (2, 10666282), (4, 5333141), (11, 1939324), (22, 969662), (44, 484831), (131, 162844), (262, 81422), (524, 40711), (1441, 14804), (2882, 7402), (3701, 5764)]