20212009916

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10167007}}^1$

素因数の和:10167089

約数の個数: 24

約数和(自身を含む): 40993376256

約数和(自身を除く): 20781366340

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10167007, 20334014, 40668028, 71169049, 142338098, 284676196, 721857497, 1443714994, 2887429988, 5053002479, 10106004958, 20212009916]

約数ペア:

[(1, 20212009916), (2, 10106004958), (4, 5053002479), (7, 2887429988), (14, 1443714994), (28, 721857497), (71, 284676196), (142, 142338098), (284, 71169049), (497, 40668028), (994, 20334014), (1988, 10167007)]