21385770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101837}}^1$

素因数の和:101854

約数の個数: 32

約数和(自身を含む): 58658688

約数和(自身を除く): 37272918

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 101837, 203674, 305511, 509185, 611022, 712859, 1018370, 1425718, 1527555, 2138577, 3055110, 3564295, 4277154, 7128590, 10692885, 21385770]

約数ペア:

[(1, 21385770), (2, 10692885), (3, 7128590), (5, 4277154), (6, 3564295), (7, 3055110), (10, 2138577), (14, 1527555), (15, 1425718), (21, 1018370), (30, 712859), (35, 611022), (42, 509185), (70, 305511), (105, 203674), (210, 101837)]