21049700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30071}}^1$

素因数の和:30092

約数の個数: 36

約数和(自身を含む): 52204992

約数和(自身を除く): 31155292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30071, 60142, 120284, 150355, 210497, 300710, 420994, 601420, 751775, 841988, 1052485, 1503550, 2104970, 3007100, 4209940, 5262425, 10524850, 21049700]

約数ペア:

[(1, 21049700), (2, 10524850), (4, 5262425), (5, 4209940), (7, 3007100), (10, 2104970), (14, 1503550), (20, 1052485), (25, 841988), (28, 751775), (35, 601420), (50, 420994), (70, 300710), (100, 210497), (140, 150355), (175, 120284), (350, 60142), (700, 30071)]