21206992

素因数分解:

$2^4\times {\mathrm{859}}^1\times {\mathrm{1543}}^1$

素因数の和:2410

約数の個数: 20

約数和(自身を含む): 41163040

約数和(自身を除く): 19956048

約数列:

[1, 2, 4, 8, 16, 859, 1543, 1718, 3086, 3436, 6172, 6872, 12344, 13744, 24688, 1325437, 2650874, 5301748, 10603496, 21206992]

約数ペア:

[(1, 21206992), (2, 10603496), (4, 5301748), (8, 2650874), (16, 1325437), (859, 24688), (1543, 13744), (1718, 12344), (3086, 6872), (3436, 6172)]