21494844049

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{571717}}^1$

素因数の和:571896

約数の個数: 16

約数和(自身を含む): 25356836736

約数和(自身を除く): 3861992687

約数列:

[1, 7, 41, 131, 287, 917, 5371, 37597, 571717, 4002019, 23440397, 74894927, 164082779, 524264489, 3070692007, 21494844049]

約数ペア:

[(1, 21494844049), (7, 3070692007), (41, 524264489), (131, 164082779), (287, 74894927), (917, 23440397), (5371, 4002019), (37597, 571717)]