21882875

素因数分解:

$5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 31674240

約数和(自身を除く): 9791365

約数列:

[1, 5, 7, 25, 35, 89, 125, 175, 281, 445, 623, 875, 1405, 1967, 2225, 3115, 7025, 9835, 11125, 15575, 25009, 35125, 49175, 77875, 125045, 175063, 245875, 625225, 875315, 3126125, 4376575, 21882875]

約数ペア:

[(1, 21882875), (5, 4376575), (7, 3126125), (25, 875315), (35, 625225), (89, 245875), (125, 175063), (175, 125045), (281, 77875), (445, 49175), (623, 35125), (875, 25009), (1405, 15575), (1967, 11125), (2225, 9835), (3115, 7025)]