21422800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1093}}^1$

素因数の和:1125

約数の個数: 90

約数和(自身を含む): 59926038

約数和(自身を除く): 38503238

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1093, 1225, 1400, 1960, 2186, 2450, 2800, 3920, 4372, 4900, 5465, 7651, 8744, 9800, 10930, 15302, 17488, 19600, 21860, 27325, 30604, 38255, 43720, 53557, 54650, 61208, 76510, 87440, 107114, 109300, 122416, 153020, 191275, 214228, 218600, 267785, 306040, 382550, 428456, 437200, 535570, 612080, 765100, 856912, 1071140, 1338925, 1530200, 2142280, 2677850, 3060400, 4284560, 5355700, 10711400, 21422800]

約数ペア:

[(1, 21422800), (2, 10711400), (4, 5355700), (5, 4284560), (7, 3060400), (8, 2677850), (10, 2142280), (14, 1530200), (16, 1338925), (20, 1071140), (25, 856912), (28, 765100), (35, 612080), (40, 535570), (49, 437200), (50, 428456), (56, 382550), (70, 306040), (80, 267785), (98, 218600), (100, 214228), (112, 191275), (140, 153020), (175, 122416), (196, 109300), (200, 107114), (245, 87440), (280, 76510), (350, 61208), (392, 54650), (400, 53557), (490, 43720), (560, 38255), (700, 30604), (784, 27325), (980, 21860), (1093, 19600), (1225, 17488), (1400, 15302), (1960, 10930), (2186, 9800), (2450, 8744), (2800, 7651), (3920, 5465), (4372, 4900)]