21947028

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42533}}^1$

素因数の和:42583

約数の個数: 24

約数和(自身を含む): 52401888

約数和(自身を除く): 30454860

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42533, 85066, 127599, 170132, 255198, 510396, 1828919, 3657838, 5486757, 7315676, 10973514, 21947028]

約数ペア:

[(1, 21947028), (2, 10973514), (3, 7315676), (4, 5486757), (6, 3657838), (12, 1828919), (43, 510396), (86, 255198), (129, 170132), (172, 127599), (258, 85066), (516, 42533)]