12421745

素因数分解:

$5^1\times 7^3\times {\mathrm{7243}}^1$

素因数の和:7269

約数の個数: 16

約数和(自身を含む): 17385600

約数和(自身を除く): 4963855

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 7243, 36215, 50701, 253505, 354907, 1774535, 2484349, 12421745]

約数ペア:

[(1, 12421745), (5, 2484349), (7, 1774535), (35, 354907), (49, 253505), (245, 50701), (343, 36215), (1715, 7243)]