217420783818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{5176685329}}^1$

素因数の和:5176685341

約数の個数: 16

約数和(自身を含む): 496961791680

約数和(自身を除く): 279541007862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5176685329, 10353370658, 15530055987, 31060111974, 36236797303, 72473594606, 108710391909, 217420783818]

約数ペア:

[(1, 217420783818), (2, 108710391909), (3, 72473594606), (6, 36236797303), (7, 31060111974), (14, 15530055987), (21, 10353370658), (42, 5176685329)]