21206402540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36562763}}^1$

素因数の和:36562801

約数の個数: 24

約数和(自身を含む): 46069082640

約数和(自身を除く): 24862680100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36562763, 73125526, 146251052, 182813815, 365627630, 731255260, 1060320127, 2120640254, 4241280508, 5301600635, 10603201270, 21206402540]

約数ペア:

[(1, 21206402540), (2, 10603201270), (4, 5301600635), (5, 4241280508), (10, 2120640254), (20, 1060320127), (29, 731255260), (58, 365627630), (116, 182813815), (145, 146251052), (290, 73125526), (580, 36562763)]