21015616

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8009}}^1$

素因数の和:8062

約数の個数: 28

約数和(自身を含む): 42725340

約数和(自身を除く): 21709724

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8009, 16018, 32036, 64072, 128144, 256288, 328369, 512576, 656738, 1313476, 2626952, 5253904, 10507808, 21015616]

約数ペア:

[(1, 21015616), (2, 10507808), (4, 5253904), (8, 2626952), (16, 1313476), (32, 656738), (41, 512576), (64, 328369), (82, 256288), (164, 128144), (328, 64072), (656, 32036), (1312, 16018), (2624, 8009)]