21000984032

素因数分解:

$2^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1129571}}^1$

素因数の和:1129671

約数の個数: 48

約数和(自身を含む): 47821560192

約数和(自身を除く): 26820576160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 83, 112, 166, 224, 332, 581, 664, 1162, 1328, 2324, 2656, 4648, 9296, 18592, 1129571, 2259142, 4518284, 7906997, 9036568, 15813994, 18073136, 31627988, 36146272, 63255976, 93754393, 126511952, 187508786, 253023904, 375017572, 656280751, 750035144, 1312561502, 1500070288, 2625123004, 3000140576, 5250246008, 10500492016, 21000984032]

約数ペア:

[(1, 21000984032), (2, 10500492016), (4, 5250246008), (7, 3000140576), (8, 2625123004), (14, 1500070288), (16, 1312561502), (28, 750035144), (32, 656280751), (56, 375017572), (83, 253023904), (112, 187508786), (166, 126511952), (224, 93754393), (332, 63255976), (581, 36146272), (664, 31627988), (1162, 18073136), (1328, 15813994), (2324, 9036568), (2656, 7906997), (4648, 4518284), (9296, 2259142), (18592, 1129571)]