21056910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100271}}^1$

素因数の和:100288

約数の個数: 32

約数和(自身を含む): 57756672

約数和(自身を除く): 36699762

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100271, 200542, 300813, 501355, 601626, 701897, 1002710, 1403794, 1504065, 2105691, 3008130, 3509485, 4211382, 7018970, 10528455, 21056910]

約数ペア:

[(1, 21056910), (2, 10528455), (3, 7018970), (5, 4211382), (6, 3509485), (7, 3008130), (10, 2105691), (14, 1504065), (15, 1403794), (21, 1002710), (30, 701897), (35, 601626), (42, 501355), (70, 300813), (105, 200542), (210, 100271)]