2105339990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16194923}}^1$

素因数の和:16194943

約数の個数: 16

約数和(自身を含む): 4081120848

約数和(自身を除く): 1975780858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 16194923, 32389846, 80974615, 161949230, 210533999, 421067998, 1052669995, 2105339990]

約数ペア:

[(1, 2105339990), (2, 1052669995), (5, 421067998), (10, 210533999), (13, 161949230), (26, 80974615), (65, 32389846), (130, 16194923)]