21130119632

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{2711771}}^1$

素因数の和:2712266

約数の個数: 20

約数和(自身を含む): 41023686816

約数和(自身を除く): 19893567184

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792, 2711771, 5423542, 10847084, 21694168, 43388336, 1320632477, 2641264954, 5282529908, 10565059816, 21130119632]

約数ペア:

[(1, 21130119632), (2, 10565059816), (4, 5282529908), (8, 2641264954), (16, 1320632477), (487, 43388336), (974, 21694168), (1948, 10847084), (3896, 5423542), (7792, 2711771)]