21485087407

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{366221}}^1$

素因数の和:366291

約数の個数: 24

約数和(自身を含む): 26983236960

約数和(自身を除く): 5498149553

約数列:

[1, 7, 17, 29, 119, 203, 289, 493, 2023, 3451, 8381, 58667, 366221, 2563547, 6225757, 10620409, 43580299, 74342863, 105837869, 180546953, 740865083, 1263828671, 3069298201, 21485087407]

約数ペア:

[(1, 21485087407), (7, 3069298201), (17, 1263828671), (29, 740865083), (119, 180546953), (203, 105837869), (289, 74342863), (493, 43580299), (2023, 10620409), (3451, 6225757), (8381, 2563547), (58667, 366221)]