21896035

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7919}}^1$

素因数の和:8010

約数の個数: 16

約数和(自身を含む): 30412800

約数和(自身を除く): 8516765

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 7919, 39595, 55433, 277165, 625601, 3128005, 4379207, 21896035]

約数ペア:

[(1, 21896035), (5, 4379207), (7, 3128005), (35, 625601), (79, 277165), (395, 55433), (553, 39595), (2765, 7919)]