21359604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254281}}^1$

素因数の和:254295

約数の個数: 24

約数和(自身を含む): 56959168

約数和(自身を除く): 35599564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254281, 508562, 762843, 1017124, 1525686, 1779967, 3051372, 3559934, 5339901, 7119868, 10679802, 21359604]

約数ペア:

[(1, 21359604), (2, 10679802), (3, 7119868), (4, 5339901), (6, 3559934), (7, 3051372), (12, 1779967), (14, 1525686), (21, 1017124), (28, 762843), (42, 508562), (84, 254281)]