21895400

素因数分解:

$2^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1319}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 51559200

約数和(自身を除く): 29663800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415, 664, 830, 1319, 1660, 2075, 2638, 3320, 4150, 5276, 6595, 8300, 10552, 13190, 16600, 26380, 32975, 52760, 65950, 109477, 131900, 218954, 263800, 437908, 547385, 875816, 1094770, 2189540, 2736925, 4379080, 5473850, 10947700, 21895400]

約数ペア:

[(1, 21895400), (2, 10947700), (4, 5473850), (5, 4379080), (8, 2736925), (10, 2189540), (20, 1094770), (25, 875816), (40, 547385), (50, 437908), (83, 263800), (100, 218954), (166, 131900), (200, 109477), (332, 65950), (415, 52760), (664, 32975), (830, 26380), (1319, 16600), (1660, 13190), (2075, 10552), (2638, 8300), (3320, 6595), (4150, 5276)]