21276120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177301}}^1$

素因数の和:177315

約数の個数: 32

約数和(自身を含む): 63828720

約数和(自身を除く): 42552600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177301, 354602, 531903, 709204, 886505, 1063806, 1418408, 1773010, 2127612, 2659515, 3546020, 4255224, 5319030, 7092040, 10638060, 21276120]

約数ペア:

[(1, 21276120), (2, 10638060), (3, 7092040), (4, 5319030), (5, 4255224), (6, 3546020), (8, 2659515), (10, 2127612), (12, 1773010), (15, 1418408), (20, 1063806), (24, 886505), (30, 709204), (40, 531903), (60, 354602), (120, 177301)]