21715588

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1223}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 39892608

約数和(自身を除く): 18177020

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 1223, 2446, 4439, 4892, 8878, 17756, 28129, 56258, 112516, 236039, 472078, 944156, 5428897, 10857794, 21715588]

約数ペア:

[(1, 21715588), (2, 10857794), (4, 5428897), (23, 944156), (46, 472078), (92, 236039), (193, 112516), (386, 56258), (772, 28129), (1223, 17756), (2446, 8878), (4439, 4892)]