20921601236

素因数分解:

$2^2\times {\mathrm{5501}}^1\times {\mathrm{950809}}^1$

素因数の和:956314

約数の個数: 12

約数和(自身を含む): 36619496340

約数和(自身を除く): 15697895104

約数列:

[1, 2, 4, 5501, 11002, 22004, 950809, 1901618, 3803236, 5230400309, 10460800618, 20921601236]

約数ペア:

[(1, 20921601236), (2, 10460800618), (4, 5230400309), (5501, 3803236), (11002, 1901618), (22004, 950809)]