21658168

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9433}}^1$

素因数の和:9487

約数の個数: 32

約数和(自身を含む): 47547360

約数和(自身を除く): 25889192

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9433, 18866, 37732, 66031, 75464, 132062, 264124, 386753, 528248, 773506, 1547012, 2707271, 3094024, 5414542, 10829084, 21658168]

約数ペア:

[(1, 21658168), (2, 10829084), (4, 5414542), (7, 3094024), (8, 2707271), (14, 1547012), (28, 773506), (41, 528248), (56, 386753), (82, 264124), (164, 132062), (287, 75464), (328, 66031), (574, 37732), (1148, 18866), (2296, 9433)]