21539282

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 32788800

約数和(自身を除く): 11249518

約数列:

[1, 2, 131, 229, 262, 359, 458, 718, 29999, 47029, 59998, 82211, 94058, 164422, 10769641, 21539282]

約数ペア:

[(1, 21539282), (2, 10769641), (131, 164422), (229, 94058), (262, 82211), (359, 59998), (458, 47029), (718, 29999)]