21686910770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{309813011}}^1$

素因数の和:309813025

約数の個数: 16

約数和(自身を含む): 44613073728

約数和(自身を除く): 22926162958

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 309813011, 619626022, 1549065055, 2168691077, 3098130110, 4337382154, 10843455385, 21686910770]

約数ペア:

[(1, 21686910770), (2, 10843455385), (5, 4337382154), (7, 3098130110), (10, 2168691077), (14, 1549065055), (35, 619626022), (70, 309813011)]