210508977021

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{15886271}}^1$

素因数の和:15886912

約数の個数: 16

約数和(自身を含む): 321283964928

約数和(自身を除く): 110774987907

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 13251, 15886271, 47658813, 111203897, 333611691, 10024237001, 30072711003, 70169659007, 210508977021]

約数ペア:

[(1, 210508977021), (3, 70169659007), (7, 30072711003), (21, 10024237001), (631, 333611691), (1893, 111203897), (4417, 47658813), (13251, 15886271)]