21022020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116789}}^1$

素因数の和:116804

約数の個数: 36

約数和(自身を含む): 63767340

約数和(自身を除く): 42745320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116789, 233578, 350367, 467156, 583945, 700734, 1051101, 1167890, 1401468, 1751835, 2102202, 2335780, 3503670, 4204404, 5255505, 7007340, 10511010, 21022020]

約数ペア:

[(1, 21022020), (2, 10511010), (3, 7007340), (4, 5255505), (5, 4204404), (6, 3503670), (9, 2335780), (10, 2102202), (12, 1751835), (15, 1401468), (18, 1167890), (20, 1051101), (30, 700734), (36, 583945), (45, 467156), (60, 350367), (90, 233578), (180, 116789)]