21494835

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 38664000

約数和(自身を除く): 17169165

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 1789, 2403, 4005, 5367, 8945, 12015, 16101, 26835, 48303, 80505, 159221, 241515, 477663, 796105, 1432989, 2388315, 4298967, 7164945, 21494835]

約数ペア:

[(1, 21494835), (3, 7164945), (5, 4298967), (9, 2388315), (15, 1432989), (27, 796105), (45, 477663), (89, 241515), (135, 159221), (267, 80505), (445, 48303), (801, 26835), (1335, 16101), (1789, 12015), (2403, 8945), (4005, 5367)]