21350946

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28415454

約数列:

[1, 2, 3, 6, 17, 19, 23, 34, 38, 46, 51, 57, 69, 102, 114, 138, 323, 391, 437, 479, 646, 782, 874, 958, 969, 1173, 1311, 1437, 1938, 2346, 2622, 2874, 7429, 8143, 9101, 11017, 14858, 16286, 18202, 22034, 22287, 24429, 27303, 33051, 44574, 48858, 54606, 66102, 154717, 187289, 209323, 309434, 374578, 418646, 464151, 561867, 627969, 928302, 1123734, 1255938, 3558491, 7116982, 10675473, 21350946]

約数ペア:

[(1, 21350946), (2, 10675473), (3, 7116982), (6, 3558491), (17, 1255938), (19, 1123734), (23, 928302), (34, 627969), (38, 561867), (46, 464151), (51, 418646), (57, 374578), (69, 309434), (102, 209323), (114, 187289), (138, 154717), (323, 66102), (391, 54606), (437, 48858), (479, 44574), (646, 33051), (782, 27303), (874, 24429), (958, 22287), (969, 22034), (1173, 18202), (1311, 16286), (1437, 14858), (1938, 11017), (2346, 9101), (2622, 8143), (2874, 7429)]