21400722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 57238272

約数和(自身を除く): 35837550

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 97, 102, 103, 119, 126, 153, 194, 206, 238, 291, 306, 309, 357, 582, 618, 679, 714, 721, 873, 927, 1071, 1358, 1442, 1649, 1746, 1751, 1854, 2037, 2142, 2163, 3298, 3502, 4074, 4326, 4947, 5253, 6111, 6489, 9894, 9991, 10506, 11543, 12222, 12257, 12978, 14841, 15759, 19982, 23086, 24514, 29682, 29973, 31518, 34629, 36771, 59946, 69258, 69937, 73542, 89919, 103887, 110313, 139874, 169847, 179838, 207774, 209811, 220626, 339694, 419622, 509541, 629433, 1019082, 1188929, 1258866, 1528623, 2377858, 3057246, 3566787, 7133574, 10700361, 21400722]

約数ペア:

[(1, 21400722), (2, 10700361), (3, 7133574), (6, 3566787), (7, 3057246), (9, 2377858), (14, 1528623), (17, 1258866), (18, 1188929), (21, 1019082), (34, 629433), (42, 509541), (51, 419622), (63, 339694), (97, 220626), (102, 209811), (103, 207774), (119, 179838), (126, 169847), (153, 139874), (194, 110313), (206, 103887), (238, 89919), (291, 73542), (306, 69937), (309, 69258), (357, 59946), (582, 36771), (618, 34629), (679, 31518), (714, 29973), (721, 29682), (873, 24514), (927, 23086), (1071, 19982), (1358, 15759), (1442, 14841), (1649, 12978), (1746, 12257), (1751, 12222), (1854, 11543), (2037, 10506), (2142, 9991), (2163, 9894), (3298, 6489), (3502, 6111), (4074, 5253), (4326, 4947)]