21423708

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1499}}^1$

素因数の和:1906

約数の個数: 36

約数和(自身を含む): 54327000

約数和(自身を除く): 32903292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1499, 1588, 2382, 2998, 3573, 4497, 4764, 5996, 7146, 8994, 13491, 14292, 17988, 26982, 53964, 595103, 1190206, 1785309, 2380412, 3570618, 5355927, 7141236, 10711854, 21423708]

約数ペア:

[(1, 21423708), (2, 10711854), (3, 7141236), (4, 5355927), (6, 3570618), (9, 2380412), (12, 1785309), (18, 1190206), (36, 595103), (397, 53964), (794, 26982), (1191, 17988), (1499, 14292), (1588, 13491), (2382, 8994), (2998, 7146), (3573, 5996), (4497, 4764)]