21278508711

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1195489}}^1$

素因数の和:1195858

約数の個数: 16

約数和(自身を含む): 30126348000

約数和(自身を除く): 8847839289

約数列:

[1, 3, 17, 51, 349, 1047, 5933, 17799, 1195489, 3586467, 20323313, 60969939, 417225661, 1251676983, 7092836237, 21278508711]

約数ペア:

[(1, 21278508711), (3, 7092836237), (17, 1251676983), (51, 417225661), (349, 60969939), (1047, 20323313), (5933, 3586467), (17799, 1195489)]