21000674286

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37635617}}^1$

素因数の和:37635656

約数の個数: 24

約数和(自身を含む): 46969251264

約数和(自身を除く): 25968576978

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37635617, 75271234, 112906851, 225813702, 338720553, 677441106, 1166704127, 2333408254, 3500112381, 7000224762, 10500337143, 21000674286]

約数ペア:

[(1, 21000674286), (2, 10500337143), (3, 7000224762), (6, 3500112381), (9, 2333408254), (18, 1166704127), (31, 677441106), (62, 338720553), (93, 225813702), (186, 112906851), (279, 75271234), (558, 37635617)]