21379824

素因数分解:

$2^4\times 3^2\times {\mathrm{148471}}^1$

素因数の和:148485

約数の個数: 30

約数和(自身を含む): 59834216

約数和(自身を除く): 38454392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148471, 296942, 445413, 593884, 890826, 1187768, 1336239, 1781652, 2375536, 2672478, 3563304, 5344956, 7126608, 10689912, 21379824]

約数ペア:

[(1, 21379824), (2, 10689912), (3, 7126608), (4, 5344956), (6, 3563304), (8, 2672478), (9, 2375536), (12, 1781652), (16, 1336239), (18, 1187768), (24, 890826), (36, 593884), (48, 445413), (72, 296942), (144, 148471)]