21680050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8849}}^1$

素因数の和:8875

約数の個数: 36

約数和(自身を含む): 46913850

約数和(自身を除く): 25233800

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8849, 17698, 44245, 61943, 88490, 123886, 221225, 309715, 433601, 442450, 619430, 867202, 1548575, 2168005, 3097150, 4336010, 10840025, 21680050]

約数ペア:

[(1, 21680050), (2, 10840025), (5, 4336010), (7, 3097150), (10, 2168005), (14, 1548575), (25, 867202), (35, 619430), (49, 442450), (50, 433601), (70, 309715), (98, 221225), (175, 123886), (245, 88490), (350, 61943), (490, 44245), (1225, 17698), (2450, 8849)]