2150996820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5121421}}^1$

素因数の和:5121440

約数の個数: 48

約数和(自身を含む): 6883191168

約数和(自身を除く): 4732194348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 5121421, 10242842, 15364263, 20485684, 25607105, 30728526, 35849947, 51214210, 61457052, 71699894, 76821315, 102428420, 107549841, 143399788, 153642630, 179249735, 215099682, 307285260, 358499470, 430199364, 537749205, 716998940, 1075498410, 2150996820]

約数ペア:

[(1, 2150996820), (2, 1075498410), (3, 716998940), (4, 537749205), (5, 430199364), (6, 358499470), (7, 307285260), (10, 215099682), (12, 179249735), (14, 153642630), (15, 143399788), (20, 107549841), (21, 102428420), (28, 76821315), (30, 71699894), (35, 61457052), (42, 51214210), (60, 35849947), (70, 30728526), (84, 25607105), (105, 20485684), (140, 15364263), (210, 10242842), (420, 5121421)]