21057274

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13799}}^1$

素因数の和:13917

約数の個数: 16

約数和(自身を含む): 36432000

約数和(自身を除く): 15374726

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13799, 27598, 96593, 193186, 1504091, 3008182, 10528637, 21057274]

約数ペア:

[(1, 21057274), (2, 10528637), (7, 3008182), (14, 1504091), (109, 193186), (218, 96593), (763, 27598), (1526, 13799)]