21189072

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1180

約数の個数: 80

約数和(自身を含む): 60531840

約数和(自身を除く): 39342768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 48, 51, 68, 69, 92, 102, 136, 138, 184, 204, 272, 276, 368, 391, 408, 552, 782, 816, 1104, 1129, 1173, 1564, 2258, 2346, 3128, 3387, 4516, 4692, 6256, 6774, 9032, 9384, 13548, 18064, 18768, 19193, 25967, 27096, 38386, 51934, 54192, 57579, 76772, 77901, 103868, 115158, 153544, 155802, 207736, 230316, 307088, 311604, 415472, 441439, 460632, 623208, 882878, 921264, 1246416, 1324317, 1765756, 2648634, 3531512, 5297268, 7063024, 10594536, 21189072]

約数ペア:

[(1, 21189072), (2, 10594536), (3, 7063024), (4, 5297268), (6, 3531512), (8, 2648634), (12, 1765756), (16, 1324317), (17, 1246416), (23, 921264), (24, 882878), (34, 623208), (46, 460632), (48, 441439), (51, 415472), (68, 311604), (69, 307088), (92, 230316), (102, 207736), (136, 155802), (138, 153544), (184, 115158), (204, 103868), (272, 77901), (276, 76772), (368, 57579), (391, 54192), (408, 51934), (552, 38386), (782, 27096), (816, 25967), (1104, 19193), (1129, 18768), (1173, 18064), (1564, 13548), (2258, 9384), (2346, 9032), (3128, 6774), (3387, 6256), (4516, 4692)]