21103698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2687}}^1$

素因数の和:2727

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 34634670

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 2687, 3927, 5374, 7854, 8061, 16122, 18809, 29557, 37618, 45679, 56427, 59114, 88671, 91358, 112854, 137037, 177342, 206899, 274074, 319753, 413798, 502469, 620697, 639506, 959259, 1004938, 1241394, 1507407, 1918518, 3014814, 3517283, 7034566, 10551849, 21103698]

約数ペア:

[(1, 21103698), (2, 10551849), (3, 7034566), (6, 3517283), (7, 3014814), (11, 1918518), (14, 1507407), (17, 1241394), (21, 1004938), (22, 959259), (33, 639506), (34, 620697), (42, 502469), (51, 413798), (66, 319753), (77, 274074), (102, 206899), (119, 177342), (154, 137037), (187, 112854), (231, 91358), (238, 88671), (357, 59114), (374, 56427), (462, 45679), (561, 37618), (714, 29557), (1122, 18809), (1309, 16122), (2618, 8061), (2687, 7854), (3927, 5374)]