21730064

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16363}}^1$

素因数の和:16454

約数の個数: 20

約数和(自身を含む): 42611856

約数和(自身を除く): 20881792

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16363, 32726, 65452, 130904, 261808, 1358129, 2716258, 5432516, 10865032, 21730064]

約数ペア:

[(1, 21730064), (2, 10865032), (4, 5432516), (8, 2716258), (16, 1358129), (83, 261808), (166, 130904), (332, 65452), (664, 32726), (1328, 16363)]