21219170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2833}}^1$

素因数の和:2954

約数の個数: 32

約数和(自身を含む): 44074368

約数和(自身を除く): 22855198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2833, 3745, 5666, 7490, 14165, 19831, 28330, 39662, 99155, 198310, 303131, 606262, 1515655, 2121917, 3031310, 4243834, 10609585, 21219170]

約数ペア:

[(1, 21219170), (2, 10609585), (5, 4243834), (7, 3031310), (10, 2121917), (14, 1515655), (35, 606262), (70, 303131), (107, 198310), (214, 99155), (535, 39662), (749, 28330), (1070, 19831), (1498, 14165), (2833, 7490), (3745, 5666)]