21129630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704321}}^1$

素因数の和:704331

約数の個数: 16

約数和(自身を含む): 50711184

約数和(自身を除く): 29581554

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704321, 1408642, 2112963, 3521605, 4225926, 7043210, 10564815, 21129630]

約数ペア:

[(1, 21129630), (2, 10564815), (3, 7043210), (5, 4225926), (6, 3521605), (10, 2112963), (15, 1408642), (30, 704321)]