21000481246

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{11261}}^1$

素因数の和:11928

約数の個数: 32

約数和(自身を含む): 33394622976

約数和(自身を除く): 12394141730

約数列:

[1, 2, 23, 46, 71, 142, 571, 1142, 1633, 3266, 11261, 13133, 22522, 26266, 40541, 81082, 259003, 518006, 799531, 932443, 1599062, 1864886, 6430031, 12860062, 18389213, 36778426, 147890713, 295781426, 456532201, 913064402, 10500240623, 21000481246]

約数ペア:

[(1, 21000481246), (2, 10500240623), (23, 913064402), (46, 456532201), (71, 295781426), (142, 147890713), (571, 36778426), (1142, 18389213), (1633, 12860062), (3266, 6430031), (11261, 1864886), (13133, 1599062), (22522, 932443), (26266, 799531), (40541, 518006), (81082, 259003)]