21000948966

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{935621}}^1$

素因数の和:935701

約数の個数: 48

約数和(自身を含む): 48165820560

約数和(自身を除く): 27164871594

約数列:

[1, 2, 3, 6, 9, 18, 29, 43, 58, 86, 87, 129, 174, 258, 261, 387, 522, 774, 1247, 2494, 3741, 7482, 11223, 22446, 935621, 1871242, 2806863, 5613726, 8420589, 16841178, 27133009, 40231703, 54266018, 80463406, 81399027, 120695109, 162798054, 241390218, 244197081, 362085327, 488394162, 724170654, 1166719387, 2333438774, 3500158161, 7000316322, 10500474483, 21000948966]

約数ペア:

[(1, 21000948966), (2, 10500474483), (3, 7000316322), (6, 3500158161), (9, 2333438774), (18, 1166719387), (29, 724170654), (43, 488394162), (58, 362085327), (86, 244197081), (87, 241390218), (129, 162798054), (174, 120695109), (258, 81399027), (261, 80463406), (387, 54266018), (522, 40231703), (774, 27133009), (1247, 16841178), (2494, 8420589), (3741, 5613726), (7482, 2806863), (11223, 1871242), (22446, 935621)]