21031119695

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1\times {\mathrm{86857}}^1$

素因数の和:87554

約数の個数: 16

約数和(自身を含む): 25598789760

約数和(自身を除く): 4567670065

約数列:

[1, 5, 79, 395, 613, 3065, 48427, 86857, 242135, 434285, 6861703, 34308515, 53243341, 266216705, 4206223939, 21031119695]

約数ペア:

[(1, 21031119695), (5, 4206223939), (79, 266216705), (395, 53243341), (613, 34308515), (3065, 6861703), (48427, 434285), (86857, 242135)]