21568400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7703}}^1$

素因数の和:7728

約数の個数: 60

約数和(自身を含む): 59228352

約数和(自身を除く): 37659952

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, 7703, 15406, 30812, 38515, 53921, 61624, 77030, 107842, 123248, 154060, 192575, 215684, 269605, 308120, 385150, 431368, 539210, 616240, 770300, 862736, 1078420, 1348025, 1540600, 2156840, 2696050, 3081200, 4313680, 5392100, 10784200, 21568400]

約数ペア:

[(1, 21568400), (2, 10784200), (4, 5392100), (5, 4313680), (7, 3081200), (8, 2696050), (10, 2156840), (14, 1540600), (16, 1348025), (20, 1078420), (25, 862736), (28, 770300), (35, 616240), (40, 539210), (50, 431368), (56, 385150), (70, 308120), (80, 269605), (100, 215684), (112, 192575), (140, 154060), (175, 123248), (200, 107842), (280, 77030), (350, 61624), (400, 53921), (560, 38515), (700, 30812), (1400, 15406), (2800, 7703)]