21260228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6619}}^1$

素因数の和:6707

約数の個数: 24

約数和(自身を含む): 41149920

約数和(自身を除く): 19889692

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6619, 13238, 26476, 72809, 145618, 291236, 483187, 966374, 1932748, 5315057, 10630114, 21260228]

約数ペア:

[(1, 21260228), (2, 10630114), (4, 5315057), (11, 1932748), (22, 966374), (44, 483187), (73, 291236), (146, 145618), (292, 72809), (803, 26476), (1606, 13238), (3212, 6619)]