21669872020156

素因数分解:

$2^2\times {\mathrm{5171}}^1\times {\mathrm{1047663509}}^1$

素因数の和:1047668684

約数の個数: 12

約数和(自身を含む): 37929609716040

約数和(自身を除く): 16259737695884

約数列:

[1, 2, 4, 5171, 10342, 20684, 1047663509, 2095327018, 4190654036, 5417468005039, 10834936010078, 21669872020156]

約数ペア:

[(1, 21669872020156), (2, 10834936010078), (4, 5417468005039), (5171, 4190654036), (10342, 2095327018), (20684, 1047663509)]