21007921635

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1053821}}^1$

素因数の和:1054275

約数の個数: 24

約数和(自身を含む): 36495963504

約数和(自身を除く): 15488041869

約数列:

[1, 3, 5, 9, 15, 45, 443, 1329, 2215, 3987, 6645, 19935, 1053821, 3161463, 5269105, 9484389, 15807315, 47421945, 466842703, 1400528109, 2334213515, 4201584327, 7002640545, 21007921635]

約数ペア:

[(1, 21007921635), (3, 7002640545), (5, 4201584327), (9, 2334213515), (15, 1400528109), (45, 466842703), (443, 47421945), (1329, 15807315), (2215, 9484389), (3987, 5269105), (6645, 3161463), (19935, 1053821)]