21204400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7573}}^1$

素因数の和:7598

約数の個数: 60

約数和(自身を含む): 58228912

約数和(自身を除く): 37024512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7573, 15146, 30292, 37865, 53011, 60584, 75730, 106022, 121168, 151460, 189325, 212044, 265055, 302920, 378650, 424088, 530110, 605840, 757300, 848176, 1060220, 1325275, 1514600, 2120440, 2650550, 3029200, 4240880, 5301100, 10602200, 21204400]

約数ペア:

[(1, 21204400), (2, 10602200), (4, 5301100), (5, 4240880), (7, 3029200), (8, 2650550), (10, 2120440), (14, 1514600), (16, 1325275), (20, 1060220), (25, 848176), (28, 757300), (35, 605840), (40, 530110), (50, 424088), (56, 378650), (70, 302920), (80, 265055), (100, 212044), (112, 189325), (140, 151460), (175, 121168), (200, 106022), (280, 75730), (350, 60584), (400, 53011), (560, 37865), (700, 30292), (1400, 15146), (2800, 7573)]