21842163

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 37260800

約数和(自身を除く): 15418637

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 709, 1141, 1467, 2127, 3423, 4401, 4963, 6381, 10269, 14889, 19143, 30807, 44667, 115567, 134001, 346701, 808969, 1040103, 2426907, 3120309, 7280721, 21842163]

約数ペア:

[(1, 21842163), (3, 7280721), (7, 3120309), (9, 2426907), (21, 1040103), (27, 808969), (63, 346701), (163, 134001), (189, 115567), (489, 44667), (709, 30807), (1141, 19143), (1467, 14889), (2127, 10269), (3423, 6381), (4401, 4963)]