21100959

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3089}}^1$

素因数の和:3132

約数の個数: 32

約数和(自身を含む): 35596800

約数和(自身を除く): 14495841

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 3089, 6831, 9267, 27801, 33979, 71047, 83403, 101937, 213141, 305811, 639423, 781517, 917433, 1918269, 2344551, 7033653, 21100959]

約数ペア:

[(1, 21100959), (3, 7033653), (9, 2344551), (11, 1918269), (23, 917433), (27, 781517), (33, 639423), (69, 305811), (99, 213141), (207, 101937), (253, 83403), (297, 71047), (621, 33979), (759, 27801), (2277, 9267), (3089, 6831)]