21776552

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5477}}^1$

素因数の和:5561

約数の個数: 32

約数和(自身を含む): 47329920

約数和(自身を除く): 25553368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5477, 10954, 21908, 38339, 43816, 76678, 153356, 306712, 388867, 777734, 1555468, 2722069, 3110936, 5444138, 10888276, 21776552]

約数ペア:

[(1, 21776552), (2, 10888276), (4, 5444138), (7, 3110936), (8, 2722069), (14, 1555468), (28, 777734), (56, 388867), (71, 306712), (142, 153356), (284, 76678), (497, 43816), (568, 38339), (994, 21908), (1988, 10954), (3976, 5477)]