21735567

素因数分解:

$3^3\times 7^3\times {\mathrm{2347}}^1$

素因数の和:2377

約数の個数: 32

約数和(自身を含む): 37568000

約数和(自身を除く): 15832433

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2347, 3087, 7041, 9261, 16429, 21123, 49287, 63369, 115003, 147861, 345009, 443583, 805021, 1035027, 2415063, 3105081, 7245189, 21735567]

約数ペア:

[(1, 21735567), (3, 7245189), (7, 3105081), (9, 2415063), (21, 1035027), (27, 805021), (49, 443583), (63, 345009), (147, 147861), (189, 115003), (343, 63369), (441, 49287), (1029, 21123), (1323, 16429), (2347, 9261), (3087, 7041)]