21689500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{6197}}^1$

素因数の和:6223

約数の個数: 48

約数和(自身を含む): 54145728

約数和(自身を除く): 32456228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 6197, 12394, 24788, 30985, 43379, 61970, 86758, 123940, 154925, 173516, 216895, 309850, 433790, 619700, 774625, 867580, 1084475, 1549250, 2168950, 3098500, 4337900, 5422375, 10844750, 21689500]

約数ペア:

[(1, 21689500), (2, 10844750), (4, 5422375), (5, 4337900), (7, 3098500), (10, 2168950), (14, 1549250), (20, 1084475), (25, 867580), (28, 774625), (35, 619700), (50, 433790), (70, 309850), (100, 216895), (125, 173516), (140, 154925), (175, 123940), (250, 86758), (350, 61970), (500, 43379), (700, 30985), (875, 24788), (1750, 12394), (3500, 6197)]