21000331740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{319057}}^1$

素因数の和:320166

約数の個数: 48

約数和(自身を含む): 58854714912

約数和(自身を除く): 37854383172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1097, 2194, 3291, 4388, 5485, 6582, 10970, 13164, 16455, 21940, 32910, 65820, 319057, 638114, 957171, 1276228, 1595285, 1914342, 3190570, 3828684, 4785855, 6381140, 9571710, 19143420, 350005529, 700011058, 1050016587, 1400022116, 1750027645, 2100033174, 3500055290, 4200066348, 5250082935, 7000110580, 10500165870, 21000331740]

約数ペア:

[(1, 21000331740), (2, 10500165870), (3, 7000110580), (4, 5250082935), (5, 4200066348), (6, 3500055290), (10, 2100033174), (12, 1750027645), (15, 1400022116), (20, 1050016587), (30, 700011058), (60, 350005529), (1097, 19143420), (2194, 9571710), (3291, 6381140), (4388, 4785855), (5485, 3828684), (6582, 3190570), (10970, 1914342), (13164, 1595285), (16455, 1276228), (21940, 957171), (32910, 638114), (65820, 319057)]