21133516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1861}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 18281300

約数列:

[1, 2, 4, 17, 34, 68, 167, 334, 668, 1861, 2839, 3722, 5678, 7444, 11356, 31637, 63274, 126548, 310787, 621574, 1243148, 5283379, 10566758, 21133516]

約数ペア:

[(1, 21133516), (2, 10566758), (4, 5283379), (17, 1243148), (34, 621574), (68, 310787), (167, 126548), (334, 63274), (668, 31637), (1861, 11356), (2839, 7444), (3722, 5678)]