21828933

素因数分解:

$3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 38403456

約数和(自身を除く): 16574523

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 243, 287, 313, 369, 567, 861, 939, 1107, 1701, 2191, 2583, 2817, 3321, 6573, 7749, 8451, 9963, 12833, 19719, 23247, 25353, 38499, 59157, 69741, 76059, 89831, 115497, 177471, 269493, 346491, 532413, 808479, 1039473, 2425437, 3118419, 7276311, 21828933]

約数ペア:

[(1, 21828933), (3, 7276311), (7, 3118419), (9, 2425437), (21, 1039473), (27, 808479), (41, 532413), (63, 346491), (81, 269493), (123, 177471), (189, 115497), (243, 89831), (287, 76059), (313, 69741), (369, 59157), (567, 38499), (861, 25353), (939, 23247), (1107, 19719), (1701, 12833), (2191, 9963), (2583, 8451), (2817, 7749), (3321, 6573)]