21338030

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6221}}^1$

素因数の和:6249

約数の個数: 32

約数和(自身を含む): 44798400

約数和(自身を除く): 23460370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6221, 12442, 31105, 43547, 62210, 87094, 217735, 304829, 435470, 609658, 1524145, 2133803, 3048290, 4267606, 10669015, 21338030]

約数ペア:

[(1, 21338030), (2, 10669015), (5, 4267606), (7, 3048290), (10, 2133803), (14, 1524145), (35, 609658), (49, 435470), (70, 304829), (98, 217735), (245, 87094), (343, 62210), (490, 43547), (686, 31105), (1715, 12442), (3430, 6221)]