21389502

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209701}}^1$

素因数の和:209723

約数の個数: 16

約数和(自身を含む): 45295632

約数和(自身を除く): 23906130

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209701, 419402, 629103, 1258206, 3564917, 7129834, 10694751, 21389502]

約数ペア:

[(1, 21389502), (2, 10694751), (3, 7129834), (6, 3564917), (17, 1258206), (34, 629103), (51, 419402), (102, 209701)]