21073366990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{839911}}^1$

素因数の和:840124

約数の個数: 32

約数和(自身を含む): 41061617856

約数和(自身を除く): 19988250866

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 5018, 12545, 25090, 839911, 1679822, 4199555, 8399110, 10918843, 21837686, 54594215, 109188430, 162102823, 324205646, 810514115, 1621028230, 2107336699, 4214673398, 10536683495, 21073366990]

約数ペア:

[(1, 21073366990), (2, 10536683495), (5, 4214673398), (10, 2107336699), (13, 1621028230), (26, 810514115), (65, 324205646), (130, 162102823), (193, 109188430), (386, 54594215), (965, 21837686), (1930, 10918843), (2509, 8399110), (5018, 4199555), (12545, 1679822), (25090, 839911)]