2021096840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{21419}}^1$

素因数の和:21774

約数の個数: 64

約数和(自身を含む): 5212771200

約数和(自身を除く): 3191674360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 674, 1348, 1685, 2359, 2696, 3370, 4718, 6740, 9436, 11795, 13480, 18872, 21419, 23590, 42838, 47180, 85676, 94360, 107095, 149933, 171352, 214190, 299866, 428380, 599732, 749665, 856760, 1199464, 1499330, 2998660, 5997320, 7218203, 14436406, 28872812, 36091015, 50527421, 57745624, 72182030, 101054842, 144364060, 202109684, 252637105, 288728120, 404219368, 505274210, 1010548420, 2021096840]

約数ペア:

[(1, 2021096840), (2, 1010548420), (4, 505274210), (5, 404219368), (7, 288728120), (8, 252637105), (10, 202109684), (14, 144364060), (20, 101054842), (28, 72182030), (35, 57745624), (40, 50527421), (56, 36091015), (70, 28872812), (140, 14436406), (280, 7218203), (337, 5997320), (674, 2998660), (1348, 1499330), (1685, 1199464), (2359, 856760), (2696, 749665), (3370, 599732), (4718, 428380), (6740, 299866), (9436, 214190), (11795, 171352), (13480, 149933), (18872, 107095), (21419, 94360), (23590, 85676), (42838, 47180)]