21842120

素因数分解:

$2^3\times 5^1\times {\mathrm{546053}}^1$

素因数の和:546064

約数の個数: 16

約数和(自身を含む): 49144860

約数和(自身を除く): 27302740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 546053, 1092106, 2184212, 2730265, 4368424, 5460530, 10921060, 21842120]

約数ペア:

[(1, 21842120), (2, 10921060), (4, 5460530), (5, 4368424), (8, 2730265), (10, 2184212), (20, 1092106), (40, 546053)]