21909448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248971}}^1$

素因数の和:248988

約数の個数: 16

約数和(自身を含む): 44814960

約数和(自身を除く): 22905512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248971, 497942, 995884, 1991768, 2738681, 5477362, 10954724, 21909448]

約数ペア:

[(1, 21909448), (2, 10954724), (4, 5477362), (8, 2738681), (11, 1991768), (22, 995884), (44, 497942), (88, 248971)]