21826610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 42517440

約数和(自身を除く): 20690830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 443, 758, 886, 1895, 2215, 3790, 4430, 4927, 5759, 9854, 11518, 24635, 28795, 49270, 57590, 167897, 335794, 839485, 1678970, 2182661, 4365322, 10913305, 21826610]

約数ペア:

[(1, 21826610), (2, 10913305), (5, 4365322), (10, 2182661), (13, 1678970), (26, 839485), (65, 335794), (130, 167897), (379, 57590), (443, 49270), (758, 28795), (886, 24635), (1895, 11518), (2215, 9854), (3790, 5759), (4430, 4927)]