21805770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103837}}^1$

素因数の和:103854

約数の個数: 32

約数和(自身を含む): 59810688

約数和(自身を除く): 38004918

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103837, 207674, 311511, 519185, 623022, 726859, 1038370, 1453718, 1557555, 2180577, 3115110, 3634295, 4361154, 7268590, 10902885, 21805770]

約数ペア:

[(1, 21805770), (2, 10902885), (3, 7268590), (5, 4361154), (6, 3634295), (7, 3115110), (10, 2180577), (14, 1557555), (15, 1453718), (21, 1038370), (30, 726859), (35, 623022), (42, 519185), (70, 311511), (105, 207674), (210, 103837)]