21000756042

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{82963}}^1$

素因数の和:83033

約数の個数: 96

約数和(自身を含む): 54358012800

約数和(自身を除く): 33357256758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 343, 369, 441, 574, 686, 738, 861, 882, 1029, 1722, 2009, 2058, 2583, 3087, 4018, 5166, 6027, 6174, 12054, 14063, 18081, 28126, 36162, 42189, 82963, 84378, 126567, 165926, 248889, 253134, 497778, 580741, 746667, 1161482, 1493334, 1742223, 3401483, 3484446, 4065187, 5226669, 6802966, 8130374, 10204449, 10453338, 12195561, 20408898, 23810381, 24391122, 28456309, 30613347, 36586683, 47620762, 56912618, 61226694, 71431143, 73173366, 85368927, 142862286, 166672667, 170737854, 214293429, 256106781, 333345334, 428586858, 500018001, 512213562, 1000036002, 1166708669, 1500054003, 2333417338, 3000108006, 3500126007, 7000252014, 10500378021, 21000756042]

約数ペア:

[(1, 21000756042), (2, 10500378021), (3, 7000252014), (6, 3500126007), (7, 3000108006), (9, 2333417338), (14, 1500054003), (18, 1166708669), (21, 1000036002), (41, 512213562), (42, 500018001), (49, 428586858), (63, 333345334), (82, 256106781), (98, 214293429), (123, 170737854), (126, 166672667), (147, 142862286), (246, 85368927), (287, 73173366), (294, 71431143), (343, 61226694), (369, 56912618), (441, 47620762), (574, 36586683), (686, 30613347), (738, 28456309), (861, 24391122), (882, 23810381), (1029, 20408898), (1722, 12195561), (2009, 10453338), (2058, 10204449), (2583, 8130374), (3087, 6802966), (4018, 5226669), (5166, 4065187), (6027, 3484446), (6174, 3401483), (12054, 1742223), (14063, 1493334), (18081, 1161482), (28126, 746667), (36162, 580741), (42189, 497778), (82963, 253134), (84378, 248889), (126567, 165926)]