21100365

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1093}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 44110080

約数和(自身を除く): 23009715

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 1093, 1287, 1485, 1755, 2145, 3279, 3861, 5465, 6435, 9837, 12023, 14209, 16395, 19305, 29511, 36069, 42627, 49185, 60115, 71045, 108207, 127881, 147555, 156299, 180345, 213135, 324621, 383643, 468897, 541035, 639405, 781495, 1406691, 1623105, 1918215, 2344485, 4220073, 7033455, 21100365]

約数ペア:

[(1, 21100365), (3, 7033455), (5, 4220073), (9, 2344485), (11, 1918215), (13, 1623105), (15, 1406691), (27, 781495), (33, 639405), (39, 541035), (45, 468897), (55, 383643), (65, 324621), (99, 213135), (117, 180345), (135, 156299), (143, 147555), (165, 127881), (195, 108207), (297, 71045), (351, 60115), (429, 49185), (495, 42627), (585, 36069), (715, 29511), (1093, 19305), (1287, 16395), (1485, 14209), (1755, 12023), (2145, 9837), (3279, 6435), (3861, 5465)]