21219302

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1032

約数の個数: 24

約数和(自身を含む): 35017416

約数和(自身を除く): 13798114

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 937, 1742, 1874, 11323, 12181, 22646, 24362, 62779, 125558, 158353, 316706, 816127, 1632254, 10609651, 21219302]

約数ペア:

[(1, 21219302), (2, 10609651), (13, 1632254), (26, 816127), (67, 316706), (134, 158353), (169, 125558), (338, 62779), (871, 24362), (937, 22646), (1742, 12181), (1874, 11323)]