21429744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 160

約数和(自身を含む): 68567040

約数和(自身を除く): 47137296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 47, 48, 56, 59, 69, 84, 92, 94, 112, 118, 138, 141, 161, 168, 177, 184, 188, 236, 276, 282, 322, 329, 336, 354, 368, 376, 413, 472, 483, 552, 564, 644, 658, 708, 752, 826, 944, 966, 987, 1081, 1104, 1128, 1239, 1288, 1316, 1357, 1416, 1652, 1932, 1974, 2162, 2256, 2478, 2576, 2632, 2714, 2773, 2832, 3243, 3304, 3864, 3948, 4071, 4324, 4956, 5264, 5428, 5546, 6486, 6608, 7567, 7728, 7896, 8142, 8319, 8648, 9499, 9912, 10856, 11092, 12972, 15134, 15792, 16284, 16638, 17296, 18998, 19411, 19824, 21712, 22184, 22701, 25944, 28497, 30268, 32568, 33276, 37996, 38822, 44368, 45402, 51888, 56994, 58233, 60536, 63779, 65136, 66552, 75992, 77644, 90804, 113988, 116466, 121072, 127558, 133104, 151984, 155288, 181608, 191337, 227976, 232932, 255116, 310576, 363216, 382674, 446453, 455952, 465864, 510232, 765348, 892906, 931728, 1020464, 1339359, 1530696, 1785812, 2678718, 3061392, 3571624, 5357436, 7143248, 10714872, 21429744]

約数ペア:

[(1, 21429744), (2, 10714872), (3, 7143248), (4, 5357436), (6, 3571624), (7, 3061392), (8, 2678718), (12, 1785812), (14, 1530696), (16, 1339359), (21, 1020464), (23, 931728), (24, 892906), (28, 765348), (42, 510232), (46, 465864), (47, 455952), (48, 446453), (56, 382674), (59, 363216), (69, 310576), (84, 255116), (92, 232932), (94, 227976), (112, 191337), (118, 181608), (138, 155288), (141, 151984), (161, 133104), (168, 127558), (177, 121072), (184, 116466), (188, 113988), (236, 90804), (276, 77644), (282, 75992), (322, 66552), (329, 65136), (336, 63779), (354, 60536), (368, 58233), (376, 56994), (413, 51888), (472, 45402), (483, 44368), (552, 38822), (564, 37996), (644, 33276), (658, 32568), (708, 30268), (752, 28497), (826, 25944), (944, 22701), (966, 22184), (987, 21712), (1081, 19824), (1104, 19411), (1128, 18998), (1239, 17296), (1288, 16638), (1316, 16284), (1357, 15792), (1416, 15134), (1652, 12972), (1932, 11092), (1974, 10856), (2162, 9912), (2256, 9499), (2478, 8648), (2576, 8319), (2632, 8142), (2714, 7896), (2773, 7728), (2832, 7567), (3243, 6608), (3304, 6486), (3864, 5546), (3948, 5428), (4071, 5264), (4324, 4956)]