21930825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 42596480

約数和(自身を除く): 20665655

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 105, 111, 175, 185, 259, 525, 555, 777, 925, 1129, 1295, 2775, 3387, 3885, 5645, 6475, 7903, 16935, 19425, 23709, 28225, 39515, 41773, 84675, 118545, 125319, 197575, 208865, 292411, 592725, 626595, 877233, 1044325, 1462055, 3132975, 4386165, 7310275, 21930825]

約数ペア:

[(1, 21930825), (3, 7310275), (5, 4386165), (7, 3132975), (15, 1462055), (21, 1044325), (25, 877233), (35, 626595), (37, 592725), (75, 292411), (105, 208865), (111, 197575), (175, 125319), (185, 118545), (259, 84675), (525, 41773), (555, 39515), (777, 28225), (925, 23709), (1129, 19425), (1295, 16935), (2775, 7903), (3387, 6475), (3885, 5645)]