21688082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 37773120

約数和(自身を除く): 16085038

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1021, 1118, 1634, 2042, 10621, 13273, 19399, 21242, 26546, 38798, 43903, 87806, 252187, 504374, 570739, 834157, 1141478, 1668314, 10844041, 21688082]

約数ペア:

[(1, 21688082), (2, 10844041), (13, 1668314), (19, 1141478), (26, 834157), (38, 570739), (43, 504374), (86, 252187), (247, 87806), (494, 43903), (559, 38798), (817, 26546), (1021, 21242), (1118, 19399), (1634, 13273), (2042, 10621)]