21788310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9949}}^1$

素因数の和:10032

約数の個数: 32

約数和(自身を含む): 53013600

約数和(自身を除く): 31225290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9949, 19898, 29847, 49745, 59694, 99490, 149235, 298470, 726277, 1452554, 2178831, 3631385, 4357662, 7262770, 10894155, 21788310]

約数ペア:

[(1, 21788310), (2, 10894155), (3, 7262770), (5, 4357662), (6, 3631385), (10, 2178831), (15, 1452554), (30, 726277), (73, 298470), (146, 149235), (219, 99490), (365, 59694), (438, 49745), (730, 29847), (1095, 19898), (2190, 9949)]