21568696513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{4793}}^1\times {\mathrm{49451}}^1$

素因数の和:54264

約数の個数: 16

約数和(自身を含む): 26552163456

約数和(自身を除く): 4983466943

約数列:

[1, 7, 13, 91, 4793, 33551, 49451, 62309, 346157, 436163, 642863, 4500041, 237018643, 1659130501, 3081242359, 21568696513]

約数ペア:

[(1, 21568696513), (7, 3081242359), (13, 1659130501), (91, 237018643), (4793, 4500041), (33551, 642863), (49451, 436163), (62309, 346157)]