21163224

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20507}}^1$

素因数の和:20559

約数の個数: 32

約数和(自身を含む): 54141120

約数和(自身を除く): 32977896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20507, 41014, 61521, 82028, 123042, 164056, 246084, 492168, 881801, 1763602, 2645403, 3527204, 5290806, 7054408, 10581612, 21163224]

約数ペア:

[(1, 21163224), (2, 10581612), (3, 7054408), (4, 5290806), (6, 3527204), (8, 2645403), (12, 1763602), (24, 881801), (43, 492168), (86, 246084), (129, 164056), (172, 123042), (258, 82028), (344, 61521), (516, 41014), (1032, 20507)]