21074248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202637}}^1$

素因数の和:202656

約数の個数: 16

約数和(自身を含む): 42553980

約数和(自身を除く): 21479732

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202637, 405274, 810548, 1621096, 2634281, 5268562, 10537124, 21074248]

約数ペア:

[(1, 21074248), (2, 10537124), (4, 5268562), (8, 2634281), (13, 1621096), (26, 810548), (52, 405274), (104, 202637)]