21010430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{300149}}^1$

素因数の和:300163

約数の個数: 16

約数和(自身を含む): 43221600

約数和(自身を除く): 22211170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 300149, 600298, 1500745, 2101043, 3001490, 4202086, 10505215, 21010430]

約数ペア:

[(1, 21010430), (2, 10505215), (5, 4202086), (7, 3001490), (10, 2101043), (14, 1500745), (35, 600298), (70, 300149)]