21983454

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{2593}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 49182240

約数和(自身を除く): 27198786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2593, 2826, 4239, 5186, 7779, 8478, 15558, 23337, 46674, 70011, 140022, 407101, 814202, 1221303, 2442606, 3663909, 7327818, 10991727, 21983454]

約数ペア:

[(1, 21983454), (2, 10991727), (3, 7327818), (6, 3663909), (9, 2442606), (18, 1221303), (27, 814202), (54, 407101), (157, 140022), (314, 70011), (471, 46674), (942, 23337), (1413, 15558), (2593, 8478), (2826, 7779), (4239, 5186)]