21003290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27277}}^1$

素因数の和:27302

約数の個数: 32

約数和(自身を含む): 47136384

約数和(自身を除く): 26133094

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27277, 54554, 136385, 190939, 272770, 300047, 381878, 600094, 954695, 1500235, 1909390, 2100329, 3000470, 4200658, 10501645, 21003290]

約数ペア:

[(1, 21003290), (2, 10501645), (5, 4200658), (7, 3000470), (10, 2100329), (11, 1909390), (14, 1500235), (22, 954695), (35, 600094), (55, 381878), (70, 300047), (77, 272770), (110, 190939), (154, 136385), (385, 54554), (770, 27277)]