21653912

素因数分解:

$2^3\times 7^1\times {\mathrm{386677}}^1$

素因数の和:386690

約数の個数: 16

約数和(自身を含む): 46401360

約数和(自身を除く): 24747448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 386677, 773354, 1546708, 2706739, 3093416, 5413478, 10826956, 21653912]

約数ペア:

[(1, 21653912), (2, 10826956), (4, 5413478), (7, 3093416), (8, 2706739), (14, 1546708), (28, 773354), (56, 386677)]