21688030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23833}}^1$

素因数の和:23860

約数の個数: 32

約数和(自身を含む): 48049344

約数和(自身を除く): 26361314

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23833, 47666, 119165, 166831, 238330, 309829, 333662, 619658, 834155, 1549145, 1668310, 2168803, 3098290, 4337606, 10844015, 21688030]

約数ペア:

[(1, 21688030), (2, 10844015), (5, 4337606), (7, 3098290), (10, 2168803), (13, 1668310), (14, 1549145), (26, 834155), (35, 619658), (65, 333662), (70, 309829), (91, 238330), (130, 166831), (182, 119165), (455, 47666), (910, 23833)]