21081200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7529}}^1$

素因数の和:7554

約数の個数: 60

約数和(自身を含む): 57890640

約数和(自身を除く): 36809440

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, 7529, 15058, 30116, 37645, 52703, 60232, 75290, 105406, 120464, 150580, 188225, 210812, 263515, 301160, 376450, 421624, 527030, 602320, 752900, 843248, 1054060, 1317575, 1505800, 2108120, 2635150, 3011600, 4216240, 5270300, 10540600, 21081200]

約数ペア:

[(1, 21081200), (2, 10540600), (4, 5270300), (5, 4216240), (7, 3011600), (8, 2635150), (10, 2108120), (14, 1505800), (16, 1317575), (20, 1054060), (25, 843248), (28, 752900), (35, 602320), (40, 527030), (50, 421624), (56, 376450), (70, 301160), (80, 263515), (100, 210812), (112, 188225), (140, 150580), (175, 120464), (200, 105406), (280, 75290), (350, 60232), (400, 52703), (560, 37645), (700, 30116), (1400, 15058), (2800, 7529)]