21828686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 36959328

約数和(自身を除く): 15130642

約数列:

[1, 2, 11, 22, 53, 97, 106, 193, 194, 386, 583, 1067, 1166, 2123, 2134, 4246, 5141, 10229, 10282, 18721, 20458, 37442, 56551, 112519, 113102, 205931, 225038, 411862, 992213, 1984426, 10914343, 21828686]

約数ペア:

[(1, 21828686), (2, 10914343), (11, 1984426), (22, 992213), (53, 411862), (97, 225038), (106, 205931), (193, 113102), (194, 112519), (386, 56551), (583, 37442), (1067, 20458), (1166, 18721), (2123, 10282), (2134, 10229), (4246, 5141)]