21492977431352

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1\times {\mathrm{8347721}}^1$

素因数の和:8349756

約数の個数: 64

約数和(自身を含む): 48082878720000

約数和(自身を除く): 26589901288648

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 1999, 3998, 7996, 13993, 15992, 27986, 45977, 55972, 91954, 111944, 183908, 321839, 367816, 643678, 1287356, 2574712, 8347721, 16695442, 33390884, 58434047, 66781768, 116868094, 191997583, 233736188, 383995166, 467472376, 767990332, 1343983081, 1535980664, 2687966162, 5375932324, 10751864648, 16687094279, 33374188558, 66748377116, 116809659953, 133496754232, 233619319906, 383803168417, 467238639812, 767606336834, 934477279624, 1535212673668, 2686622178919, 3070425347336, 5373244357838, 10746488715676, 21492977431352]

約数ペア:

[(1, 21492977431352), (2, 10746488715676), (4, 5373244357838), (7, 3070425347336), (8, 2686622178919), (14, 1535212673668), (23, 934477279624), (28, 767606336834), (46, 467238639812), (56, 383803168417), (92, 233619319906), (161, 133496754232), (184, 116809659953), (322, 66748377116), (644, 33374188558), (1288, 16687094279), (1999, 10751864648), (3998, 5375932324), (7996, 2687966162), (13993, 1535980664), (15992, 1343983081), (27986, 767990332), (45977, 467472376), (55972, 383995166), (91954, 233736188), (111944, 191997583), (183908, 116868094), (321839, 66781768), (367816, 58434047), (643678, 33390884), (1287356, 16695442), (2574712, 8347721)]