21167994808

素因数分解:

$2^3\times {\mathrm{4723}}^1\times {\mathrm{560237}}^1$

素因数の和:564966

約数の個数: 16

約数和(自身を含む): 39698464680

約数和(自身を除く): 18530469872

約数列:

[1, 2, 4, 8, 4723, 9446, 18892, 37784, 560237, 1120474, 2240948, 4481896, 2645999351, 5291998702, 10583997404, 21167994808]

約数ペア:

[(1, 21167994808), (2, 10583997404), (4, 5291998702), (8, 2645999351), (4723, 4481896), (9446, 2240948), (18892, 1120474), (37784, 560237)]