21349119

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 31647616

約数和(自身を除く): 10298497

約数列:

[1, 3, 11, 33, 103, 121, 309, 363, 571, 1133, 1713, 3399, 6281, 12463, 18843, 37389, 58813, 69091, 176439, 207273, 646943, 1940829, 7116373, 21349119]

約数ペア:

[(1, 21349119), (3, 7116373), (11, 1940829), (33, 646943), (103, 207273), (121, 176439), (309, 69091), (363, 58813), (571, 37389), (1133, 18843), (1713, 12463), (3399, 6281)]