21493470012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{685991}}^1$

素因数の和:686378

約数の個数: 48

約数和(自身を含む): 57469665792

約数和(自身を除く): 35976195780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 373, 746, 1119, 1492, 2238, 2611, 4476, 5222, 7833, 10444, 15666, 31332, 685991, 1371982, 2057973, 2743964, 4115946, 4801937, 8231892, 9603874, 14405811, 19207748, 28811622, 57623244, 255874643, 511749286, 767623929, 1023498572, 1535247858, 1791122501, 3070495716, 3582245002, 5373367503, 7164490004, 10746735006, 21493470012]

約数ペア:

[(1, 21493470012), (2, 10746735006), (3, 7164490004), (4, 5373367503), (6, 3582245002), (7, 3070495716), (12, 1791122501), (14, 1535247858), (21, 1023498572), (28, 767623929), (42, 511749286), (84, 255874643), (373, 57623244), (746, 28811622), (1119, 19207748), (1492, 14405811), (2238, 9603874), (2611, 8231892), (4476, 4801937), (5222, 4115946), (7833, 2743964), (10444, 2057973), (15666, 1371982), (31332, 685991)]