21747546

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1879}}^1$

素因数の和:2530

約数の個数: 24

約数和(自身を含む): 47218080

約数和(自身を除く): 25470534

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1879, 1929, 3758, 3858, 5637, 5787, 11274, 11574, 16911, 33822, 1208197, 2416394, 3624591, 7249182, 10873773, 21747546]

約数ペア:

[(1, 21747546), (2, 10873773), (3, 7249182), (6, 3624591), (9, 2416394), (18, 1208197), (643, 33822), (1286, 16911), (1879, 11574), (1929, 11274), (3758, 5787), (3858, 5637)]