21838236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{521}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 58464000

約数和(自身を除く): 36625764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 499, 521, 998, 1042, 1497, 1563, 1996, 2084, 2994, 3126, 3493, 3647, 5988, 6252, 6986, 7294, 10479, 10941, 13972, 14588, 20958, 21882, 41916, 43764, 259979, 519958, 779937, 1039916, 1559874, 1819853, 3119748, 3639706, 5459559, 7279412, 10919118, 21838236]

約数ペア:

[(1, 21838236), (2, 10919118), (3, 7279412), (4, 5459559), (6, 3639706), (7, 3119748), (12, 1819853), (14, 1559874), (21, 1039916), (28, 779937), (42, 519958), (84, 259979), (499, 43764), (521, 41916), (998, 21882), (1042, 20958), (1497, 14588), (1563, 13972), (1996, 10941), (2084, 10479), (2994, 7294), (3126, 6986), (3493, 6252), (3647, 5988)]