2021013520

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{54563}}^1$

素因数の和:55039

約数の個数: 40

約数和(自身を含む): 4709091456

約数和(自身を除く): 2688077936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 18520, 37040, 54563, 109126, 218252, 272815, 436504, 545630, 873008, 1091260, 2182520, 4365040, 25262669, 50525338, 101050676, 126313345, 202101352, 252626690, 404202704, 505253380, 1010506760, 2021013520]

約数ペア:

[(1, 2021013520), (2, 1010506760), (4, 505253380), (5, 404202704), (8, 252626690), (10, 202101352), (16, 126313345), (20, 101050676), (40, 50525338), (80, 25262669), (463, 4365040), (926, 2182520), (1852, 1091260), (2315, 873008), (3704, 545630), (4630, 436504), (7408, 272815), (9260, 218252), (18520, 109126), (37040, 54563)]