21315014

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{35407}}^1$

素因数の和:35459

約数の個数: 16

約数和(自身を含む): 37390848

約数和(自身を除く): 16075834

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 35407, 70814, 247849, 495698, 1522501, 3045002, 10657507, 21315014]

約数ペア:

[(1, 21315014), (2, 10657507), (7, 3045002), (14, 1522501), (43, 495698), (86, 247849), (301, 70814), (602, 35407)]