21788706

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1459}}^1$

素因数の和:1614

約数の個数: 32

約数和(自身を含む): 46252800

約数和(自身を除く): 24464094

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 131, 262, 393, 786, 1459, 2489, 2918, 4377, 4978, 7467, 8754, 14934, 27721, 55442, 83163, 166326, 191129, 382258, 573387, 1146774, 3631451, 7262902, 10894353, 21788706]

約数ペア:

[(1, 21788706), (2, 10894353), (3, 7262902), (6, 3631451), (19, 1146774), (38, 573387), (57, 382258), (114, 191129), (131, 166326), (262, 83163), (393, 55442), (786, 27721), (1459, 14934), (2489, 8754), (2918, 7467), (4377, 4978)]