21388697612

素因数分解:

$2^2\times {\mathrm{1801}}^1\times {\mathrm{2969003}}^1$

素因数の和:2970808

約数の個数: 12

約数和(自身を含む): 37451016456

約数和(自身を除く): 16062318844

約数列:

[1, 2, 4, 1801, 3602, 7204, 2969003, 5938006, 11876012, 5347174403, 10694348806, 21388697612]

約数ペア:

[(1, 21388697612), (2, 10694348806), (4, 5347174403), (1801, 11876012), (3602, 5938006), (7204, 2969003)]