21024836

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2399}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 42201600

約数和(自身を除く): 21176764

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 2399, 4382, 4798, 8764, 9596, 16793, 33586, 67172, 750887, 1501774, 3003548, 5256209, 10512418, 21024836]

約数ペア:

[(1, 21024836), (2, 10512418), (4, 5256209), (7, 3003548), (14, 1501774), (28, 750887), (313, 67172), (626, 33586), (1252, 16793), (2191, 9596), (2399, 8764), (4382, 4798)]