21515368

素因数分解:

$2^3\times 7^1\times {\mathrm{384203}}^1$

素因数の和:384216

約数の個数: 16

約数和(自身を含む): 46104480

約数和(自身を除く): 24589112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 384203, 768406, 1536812, 2689421, 3073624, 5378842, 10757684, 21515368]

約数ペア:

[(1, 21515368), (2, 10757684), (4, 5378842), (7, 3073624), (8, 2689421), (14, 1536812), (28, 768406), (56, 384203)]