22715721

素因数分解:

$3^4\times 7^1\times {\mathrm{40063}}^1$

素因数の和:40082

約数の個数: 20

約数和(自身を含む): 38781952

約数和(自身を除く): 16066231

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 40063, 120189, 280441, 360567, 841323, 1081701, 2523969, 3245103, 7571907, 22715721]

約数ペア:

[(1, 22715721), (3, 7571907), (7, 3245103), (9, 2523969), (21, 1081701), (27, 841323), (63, 360567), (81, 280441), (189, 120189), (567, 40063)]