21967737

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 33785856

約数和(自身を除く): 11818119

約数列:

[1, 3, 11, 23, 33, 69, 103, 253, 281, 309, 759, 843, 1133, 2369, 3091, 3399, 6463, 7107, 9273, 19389, 26059, 28943, 71093, 78177, 86829, 213279, 318373, 665689, 955119, 1997067, 7322579, 21967737]

約数ペア:

[(1, 21967737), (3, 7322579), (11, 1997067), (23, 955119), (33, 665689), (69, 318373), (103, 213279), (253, 86829), (281, 78177), (309, 71093), (759, 28943), (843, 26059), (1133, 19389), (2369, 9273), (3091, 7107), (3399, 6463)]