21380458812

素因数分解:

$2^2\times 3^1\times {\mathrm{419}}^1\times {\mathrm{4252279}}^1$

素因数の和:4252705

約数の個数: 24

約数和(自身を含む): 50006812800

約数和(自身を除く): 28626353988

約数列:

[1, 2, 3, 4, 6, 12, 419, 838, 1257, 1676, 2514, 5028, 4252279, 8504558, 12756837, 17009116, 25513674, 51027348, 1781704901, 3563409802, 5345114703, 7126819604, 10690229406, 21380458812]

約数ペア:

[(1, 21380458812), (2, 10690229406), (3, 7126819604), (4, 5345114703), (6, 3563409802), (12, 1781704901), (419, 51027348), (838, 25513674), (1257, 17009116), (1676, 12756837), (2514, 8504558), (5028, 4252279)]