21278049378

素因数分解:

$2^1\times 3^1\times {\mathrm{877}}^1\times {\mathrm{4043719}}^1$

素因数の和:4044601

約数の個数: 16

約数和(自身を含む): 42604633920

約数和(自身を除く): 21326584542

約数列:

[1, 2, 3, 6, 877, 1754, 2631, 5262, 4043719, 8087438, 12131157, 24262314, 3546341563, 7092683126, 10639024689, 21278049378]

約数ペア:

[(1, 21278049378), (2, 10639024689), (3, 7092683126), (6, 3546341563), (877, 24262314), (1754, 12131157), (2631, 8087438), (5262, 4043719)]