21187869688

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{167023}}^1$

素因数の和:167287

約数の個数: 32

約数和(自身を含む): 40376381760

約数和(自身を除く): 19188512072

約数列:

[1, 2, 4, 8, 101, 157, 202, 314, 404, 628, 808, 1256, 15857, 31714, 63428, 126856, 167023, 334046, 668092, 1336184, 16869323, 26222611, 33738646, 52445222, 67477292, 104890444, 134954584, 209780888, 2648483711, 5296967422, 10593934844, 21187869688]

約数ペア:

[(1, 21187869688), (2, 10593934844), (4, 5296967422), (8, 2648483711), (101, 209780888), (157, 134954584), (202, 104890444), (314, 67477292), (404, 52445222), (628, 33738646), (808, 26222611), (1256, 16869323), (15857, 1336184), (31714, 668092), (63428, 334046), (126856, 167023)]