2021657008

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{165601}}^1$

素因数の和:165725

約数の個数: 40

約数和(自身を含む): 4517622560

約数和(自身を除く): 2495965552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 165601, 331202, 662404, 1159207, 1324808, 2318414, 2649616, 4636828, 9273656, 18050509, 18547312, 36101018, 72202036, 126353563, 144404072, 252707126, 288808144, 505414252, 1010828504, 2021657008]

約数ペア:

[(1, 2021657008), (2, 1010828504), (4, 505414252), (7, 288808144), (8, 252707126), (14, 144404072), (16, 126353563), (28, 72202036), (56, 36101018), (109, 18547312), (112, 18050509), (218, 9273656), (436, 4636828), (763, 2649616), (872, 2318414), (1526, 1324808), (1744, 1159207), (3052, 662404), (6104, 331202), (12208, 165601)]