21209610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706987}}^1$

素因数の和:706997

約数の個数: 16

約数和(自身を含む): 50903136

約数和(自身を除く): 29693526

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706987, 1413974, 2120961, 3534935, 4241922, 7069870, 10604805, 21209610]

約数ペア:

[(1, 21209610), (2, 10604805), (3, 7069870), (5, 4241922), (6, 3534935), (10, 2120961), (15, 1413974), (30, 706987)]