21441063

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 16574937

約数列:

[1, 3, 7, 17, 19, 21, 29, 51, 57, 87, 109, 119, 133, 203, 323, 327, 357, 399, 493, 551, 609, 763, 969, 1479, 1653, 1853, 2071, 2261, 2289, 3161, 3451, 3857, 5559, 6213, 6783, 9367, 9483, 10353, 11571, 12971, 14497, 22127, 28101, 35207, 38913, 43491, 53737, 60059, 65569, 66381, 105621, 161211, 180177, 196707, 246449, 376159, 420413, 739347, 1021003, 1128477, 1261239, 3063009, 7147021, 21441063]

約数ペア:

[(1, 21441063), (3, 7147021), (7, 3063009), (17, 1261239), (19, 1128477), (21, 1021003), (29, 739347), (51, 420413), (57, 376159), (87, 246449), (109, 196707), (119, 180177), (133, 161211), (203, 105621), (323, 66381), (327, 65569), (357, 60059), (399, 53737), (493, 43491), (551, 38913), (609, 35207), (763, 28101), (969, 22127), (1479, 14497), (1653, 12971), (1853, 11571), (2071, 10353), (2261, 9483), (2289, 9367), (3161, 6783), (3451, 6213), (3857, 5559)]