21048048

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 180

約数和(自身を含む): 72588360

約数和(自身を除く): 51540312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 98, 112, 114, 126, 133, 144, 147, 152, 157, 168, 171, 196, 228, 252, 266, 294, 304, 314, 336, 342, 392, 399, 441, 456, 471, 504, 532, 588, 628, 684, 784, 798, 882, 912, 931, 942, 1008, 1064, 1099, 1176, 1197, 1256, 1368, 1413, 1596, 1764, 1862, 1884, 2128, 2198, 2352, 2394, 2512, 2736, 2793, 2826, 2983, 3192, 3297, 3528, 3724, 3768, 4396, 4788, 5586, 5652, 5966, 6384, 6594, 7056, 7448, 7536, 7693, 8379, 8792, 8949, 9576, 9891, 11172, 11304, 11932, 13188, 14896, 15386, 16758, 17584, 17898, 19152, 19782, 20881, 22344, 22608, 23079, 23864, 26376, 26847, 30772, 33516, 35796, 39564, 41762, 44688, 46158, 47728, 52752, 53694, 61544, 62643, 67032, 69237, 71592, 79128, 83524, 92316, 107388, 123088, 125286, 134064, 138474, 143184, 146167, 158256, 167048, 184632, 187929, 214776, 250572, 276948, 292334, 334096, 369264, 375858, 429552, 438501, 501144, 553896, 584668, 751716, 877002, 1002288, 1107792, 1169336, 1315503, 1503432, 1754004, 2338672, 2631006, 3006864, 3508008, 5262012, 7016016, 10524024, 21048048]

約数ペア:

[(1, 21048048), (2, 10524024), (3, 7016016), (4, 5262012), (6, 3508008), (7, 3006864), (8, 2631006), (9, 2338672), (12, 1754004), (14, 1503432), (16, 1315503), (18, 1169336), (19, 1107792), (21, 1002288), (24, 877002), (28, 751716), (36, 584668), (38, 553896), (42, 501144), (48, 438501), (49, 429552), (56, 375858), (57, 369264), (63, 334096), (72, 292334), (76, 276948), (84, 250572), (98, 214776), (112, 187929), (114, 184632), (126, 167048), (133, 158256), (144, 146167), (147, 143184), (152, 138474), (157, 134064), (168, 125286), (171, 123088), (196, 107388), (228, 92316), (252, 83524), (266, 79128), (294, 71592), (304, 69237), (314, 67032), (336, 62643), (342, 61544), (392, 53694), (399, 52752), (441, 47728), (456, 46158), (471, 44688), (504, 41762), (532, 39564), (588, 35796), (628, 33516), (684, 30772), (784, 26847), (798, 26376), (882, 23864), (912, 23079), (931, 22608), (942, 22344), (1008, 20881), (1064, 19782), (1099, 19152), (1176, 17898), (1197, 17584), (1256, 16758), (1368, 15386), (1413, 14896), (1596, 13188), (1764, 11932), (1862, 11304), (1884, 11172), (2128, 9891), (2198, 9576), (2352, 8949), (2394, 8792), (2512, 8379), (2736, 7693), (2793, 7536), (2826, 7448), (2983, 7056), (3192, 6594), (3297, 6384), (3528, 5966), (3724, 5652), (3768, 5586), (4396, 4788)]