21535107

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 34629120

約数和(自身を除く): 13094013

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 1669, 4301, 5007, 12903, 18359, 28373, 38387, 55077, 85119, 115161, 312103, 422257, 652579, 936309, 1266771, 1957737, 7178369, 21535107]

約数ペア:

[(1, 21535107), (3, 7178369), (11, 1957737), (17, 1266771), (23, 936309), (33, 652579), (51, 422257), (69, 312103), (187, 115161), (253, 85119), (391, 55077), (561, 38387), (759, 28373), (1173, 18359), (1669, 12903), (4301, 5007)]