21085466

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1253

約数の個数: 16

約数和(自身を含む): 32323200

約数和(自身を除く): 11237734

約数列:

[1, 2, 73, 139, 146, 278, 1039, 2078, 10147, 20294, 75847, 144421, 151694, 288842, 10542733, 21085466]

約数ペア:

[(1, 21085466), (2, 10542733), (73, 288842), (139, 151694), (146, 144421), (278, 75847), (1039, 20294), (2078, 10147)]