21724554

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{35153}}^1$

素因数の和:35261

約数の個数: 16

約数和(自身を含む): 43872192

約数和(自身を除く): 22147638

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 35153, 70306, 105459, 210918, 3620759, 7241518, 10862277, 21724554]

約数ペア:

[(1, 21724554), (2, 10862277), (3, 7241518), (6, 3620759), (103, 210918), (206, 105459), (309, 70306), (618, 35153)]