21086872565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9351163}}^1$

素因数の和:9351220

約数の個数: 16

約数和(自身を含む): 28277919936

約数和(自身を除く): 7191047371

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9351163, 46755815, 102862793, 383397683, 514313965, 1916988415, 4217374513, 21086872565]

約数ペア:

[(1, 21086872565), (5, 4217374513), (11, 1916988415), (41, 514313965), (55, 383397683), (205, 102862793), (451, 46755815), (2255, 9351163)]