21095690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27397}}^1$

素因数の和:27422

約数の個数: 32

約数和(自身を含む): 47343744

約数和(自身を除く): 26248054

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27397, 54794, 136985, 191779, 273970, 301367, 383558, 602734, 958895, 1506835, 1917790, 2109569, 3013670, 4219138, 10547845, 21095690]

約数ペア:

[(1, 21095690), (2, 10547845), (5, 4219138), (7, 3013670), (10, 2109569), (11, 1917790), (14, 1506835), (22, 958895), (35, 602734), (55, 383558), (70, 301367), (77, 273970), (110, 191779), (154, 136985), (385, 54794), (770, 27397)]