21017000

素因数分解:

$2^3\times 5^3\times {\mathrm{21017}}^1$

素因数の和:21038

約数の個数: 32

約数和(自身を含む): 49182120

約数和(自身を除く): 28165120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21017, 42034, 84068, 105085, 168136, 210170, 420340, 525425, 840680, 1050850, 2101700, 2627125, 4203400, 5254250, 10508500, 21017000]

約数ペア:

[(1, 21017000), (2, 10508500), (4, 5254250), (5, 4203400), (8, 2627125), (10, 2101700), (20, 1050850), (25, 840680), (40, 525425), (50, 420340), (100, 210170), (125, 168136), (200, 105085), (250, 84068), (500, 42034), (1000, 21017)]