21279456

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{2239}}^1$

素因数の和:2269

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 46458144

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 88, 96, 99, 108, 132, 144, 176, 198, 216, 264, 288, 297, 352, 396, 432, 528, 594, 792, 864, 1056, 1188, 1584, 2239, 2376, 3168, 4478, 4752, 6717, 8956, 9504, 13434, 17912, 20151, 24629, 26868, 35824, 40302, 49258, 53736, 60453, 71648, 73887, 80604, 98516, 107472, 120906, 147774, 161208, 197032, 214944, 221661, 241812, 295548, 322416, 394064, 443322, 483624, 591096, 644832, 664983, 788128, 886644, 967248, 1182192, 1329966, 1773288, 1934496, 2364384, 2659932, 3546576, 5319864, 7093152, 10639728, 21279456]

約数ペア:

[(1, 21279456), (2, 10639728), (3, 7093152), (4, 5319864), (6, 3546576), (8, 2659932), (9, 2364384), (11, 1934496), (12, 1773288), (16, 1329966), (18, 1182192), (22, 967248), (24, 886644), (27, 788128), (32, 664983), (33, 644832), (36, 591096), (44, 483624), (48, 443322), (54, 394064), (66, 322416), (72, 295548), (88, 241812), (96, 221661), (99, 214944), (108, 197032), (132, 161208), (144, 147774), (176, 120906), (198, 107472), (216, 98516), (264, 80604), (288, 73887), (297, 71648), (352, 60453), (396, 53736), (432, 49258), (528, 40302), (594, 35824), (792, 26868), (864, 24629), (1056, 20151), (1188, 17912), (1584, 13434), (2239, 9504), (2376, 8956), (3168, 6717), (4478, 4752)]