21178470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705949}}^1$

素因数の和:705959

約数の個数: 16

約数和(自身を含む): 50828400

約数和(自身を除く): 29649930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705949, 1411898, 2117847, 3529745, 4235694, 7059490, 10589235, 21178470]

約数ペア:

[(1, 21178470), (2, 10589235), (3, 7059490), (5, 4235694), (6, 3529745), (10, 2117847), (15, 1411898), (30, 705949)]