21292216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1847}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 22616264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1847, 2882, 3694, 5764, 7388, 11528, 14776, 20317, 40634, 81268, 162536, 241957, 483914, 967828, 1935656, 2661527, 5323054, 10646108, 21292216]

約数ペア:

[(1, 21292216), (2, 10646108), (4, 5323054), (8, 2661527), (11, 1935656), (22, 967828), (44, 483914), (88, 241957), (131, 162536), (262, 81268), (524, 40634), (1048, 20317), (1441, 14776), (1847, 11528), (2882, 7388), (3694, 5764)]