21329825398

素因数分解:

$2^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{2028707}}^1$

素因数の和:2029467

約数の個数: 16

約数和(自身を含む): 36614121984

約数和(自身を除く): 15284296586

約数列:

[1, 2, 7, 14, 751, 1502, 5257, 10514, 2028707, 4057414, 14200949, 28401898, 1523558957, 3047117914, 10664912699, 21329825398]

約数ペア:

[(1, 21329825398), (2, 10664912699), (7, 3047117914), (14, 1523558957), (751, 28401898), (1502, 14200949), (5257, 4057414), (10514, 2028707)]