21489442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1511}}^1$

素因数の和:2073

約数の個数: 16

約数和(自身を含む): 34800192

約数和(自身を除く): 13310750

約数列:

[1, 2, 13, 26, 547, 1094, 1511, 3022, 7111, 14222, 19643, 39286, 826517, 1653034, 10744721, 21489442]

約数ペア:

[(1, 21489442), (2, 10744721), (13, 1653034), (26, 826517), (547, 39286), (1094, 19643), (1511, 14222), (3022, 7111)]