21540204

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12211}}^1$

素因数の和:12235

約数の個数: 54

約数和(自身を含む): 63343644

約数和(自身を除く): 41803440

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12211, 24422, 36633, 48844, 73266, 85477, 109899, 146532, 170954, 219798, 256431, 341908, 439596, 512862, 598339, 769293, 1025724, 1196678, 1538586, 1795017, 2393356, 3077172, 3590034, 5385051, 7180068, 10770102, 21540204]

約数ペア:

[(1, 21540204), (2, 10770102), (3, 7180068), (4, 5385051), (6, 3590034), (7, 3077172), (9, 2393356), (12, 1795017), (14, 1538586), (18, 1196678), (21, 1025724), (28, 769293), (36, 598339), (42, 512862), (49, 439596), (63, 341908), (84, 256431), (98, 219798), (126, 170954), (147, 146532), (196, 109899), (252, 85477), (294, 73266), (441, 48844), (588, 36633), (882, 24422), (1764, 12211)]