21684942

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5501}}^1$

素因数の和:5585

約数の個数: 32

約数和(自身を含む): 48857760

約数和(自身を除く): 27172818

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5501, 11002, 16503, 33006, 49509, 99018, 148527, 297054, 401573, 803146, 1204719, 2409438, 3614157, 7228314, 10842471, 21684942]

約数ペア:

[(1, 21684942), (2, 10842471), (3, 7228314), (6, 3614157), (9, 2409438), (18, 1204719), (27, 803146), (54, 401573), (73, 297054), (146, 148527), (219, 99018), (438, 49509), (657, 33006), (1314, 16503), (1971, 11002), (3942, 5501)]