21251832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126499}}^1$

素因数の和:126515

約数の個数: 32

約数和(自身を含む): 60720000

約数和(自身を除く): 39468168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126499, 252998, 379497, 505996, 758994, 885493, 1011992, 1517988, 1770986, 2656479, 3035976, 3541972, 5312958, 7083944, 10625916, 21251832]

約数ペア:

[(1, 21251832), (2, 10625916), (3, 7083944), (4, 5312958), (6, 3541972), (7, 3035976), (8, 2656479), (12, 1770986), (14, 1517988), (21, 1011992), (24, 885493), (28, 758994), (42, 505996), (56, 379497), (84, 252998), (168, 126499)]