21653576

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9431}}^1$

素因数の和:9485

約数の個数: 32

約数和(自身を含む): 47537280

約数和(自身を除く): 25883704

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9431, 18862, 37724, 66017, 75448, 132034, 264068, 386671, 528136, 773342, 1546684, 2706697, 3093368, 5413394, 10826788, 21653576]

約数ペア:

[(1, 21653576), (2, 10826788), (4, 5413394), (7, 3093368), (8, 2706697), (14, 1546684), (28, 773342), (41, 528136), (56, 386671), (82, 264068), (164, 132034), (287, 75448), (328, 66017), (574, 37724), (1148, 18862), (2296, 9431)]