21838810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6367}}^1$

素因数の和:6395

約数の個数: 32

約数和(自身を含む): 45849600

約数和(自身を除く): 24010790

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6367, 12734, 31835, 44569, 63670, 89138, 222845, 311983, 445690, 623966, 1559915, 2183881, 3119830, 4367762, 10919405, 21838810]

約数ペア:

[(1, 21838810), (2, 10919405), (5, 4367762), (7, 3119830), (10, 2183881), (14, 1559915), (35, 623966), (49, 445690), (70, 311983), (98, 222845), (245, 89138), (343, 63670), (490, 44569), (686, 31835), (1715, 12734), (3430, 6367)]