21529794

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1143

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 31305534

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 138, 143, 253, 286, 299, 429, 506, 598, 759, 858, 897, 1091, 1518, 1794, 2182, 3273, 3289, 6546, 6578, 9867, 12001, 14183, 19734, 24002, 25093, 28366, 36003, 42549, 50186, 72006, 75279, 85098, 150558, 156013, 276023, 312026, 326209, 468039, 552046, 652418, 828069, 936078, 978627, 1656138, 1957254, 3588299, 7176598, 10764897, 21529794]

約数ペア:

[(1, 21529794), (2, 10764897), (3, 7176598), (6, 3588299), (11, 1957254), (13, 1656138), (22, 978627), (23, 936078), (26, 828069), (33, 652418), (39, 552046), (46, 468039), (66, 326209), (69, 312026), (78, 276023), (138, 156013), (143, 150558), (253, 85098), (286, 75279), (299, 72006), (429, 50186), (506, 42549), (598, 36003), (759, 28366), (858, 25093), (897, 24002), (1091, 19734), (1518, 14183), (1794, 12001), (2182, 9867), (3273, 6578), (3289, 6546)]